Home / 106,609.95-159,914.93-31,731.18

Finding the Fourth Proportional to 106,609.95, 159,914.93 and 31,731.18

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Solution

The fourth proportional to 106,609.95, 159,914.93 and 31,731.18 is: 47,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,609.95 : 159,914.93 = 31,731.18 : x
  2. Step 2: Convert to fraction form
    106,609.95/159,914.93 = 31,731.18/x
  3. Step 3: Cross multiply
    106,609.95x = 159,914.93 × 31,731.18
  4. Step 4: Simplify right side
    106,609.95x = 5,074,289,269.86
  5. Step 5: Solve for x
    x = 5,074,289,269.86/106,609.95
  6. Step 6: Final answer
    x = 47,596.77

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.