Home / 102,290.08-141,119.76-62,569.12

Finding the Fourth Proportional to 102,290.08, 141,119.76 and 62,569.12

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Solution

The fourth proportional to 102,290.08, 141,119.76 and 62,569.12 is: 86,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,290.08 : 141,119.76 = 62,569.12 : x
  2. Step 2: Convert to fraction form
    102,290.08/141,119.76 = 62,569.12/x
  3. Step 3: Cross multiply
    102,290.08x = 141,119.76 × 62,569.12
  4. Step 4: Simplify right side
    102,290.08x = 8,829,739,197.81
  5. Step 5: Solve for x
    x = 8,829,739,197.81/102,290.08
  6. Step 6: Final answer
    x = 86,320.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.