Home / 106,316.29-159,478.88-39,749.68

Finding the Fourth Proportional to 106,316.29, 159,478.88 and 39,749.68

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Solution

The fourth proportional to 106,316.29, 159,478.88 and 39,749.68 is: 59,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,316.29 : 159,478.88 = 39,749.68 : x
  2. Step 2: Convert to fraction form
    106,316.29/159,478.88 = 39,749.68/x
  3. Step 3: Cross multiply
    106,316.29x = 159,478.88 × 39,749.68
  4. Step 4: Simplify right side
    106,316.29x = 6,339,234,446.76
  5. Step 5: Solve for x
    x = 6,339,234,446.76/106,316.29
  6. Step 6: Final answer
    x = 59,626.18

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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.