Home / 106,219.98-159,275.08-31,330.59

Finding the Fourth Proportional to 106,219.98, 159,275.08 and 31,330.59

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Solution

The fourth proportional to 106,219.98, 159,275.08 and 31,330.59 is: 46,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,219.98 : 159,275.08 = 31,330.59 : x
  2. Step 2: Convert to fraction form
    106,219.98/159,275.08 = 31,330.59/x
  3. Step 3: Cross multiply
    106,219.98x = 159,275.08 × 31,330.59
  4. Step 4: Simplify right side
    106,219.98x = 4,990,182,228.70
  5. Step 5: Solve for x
    x = 4,990,182,228.70/106,219.98
  6. Step 6: Final answer
    x = 46,979.69

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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.