Home / 103,088.27-142,262.31-67,257.11

Finding the Fourth Proportional to 103,088.27, 142,262.31 and 67,257.11

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Solution

The fourth proportional to 103,088.27, 142,262.31 and 67,257.11 is: 92,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,088.27 : 142,262.31 = 67,257.11 : x
  2. Step 2: Convert to fraction form
    103,088.27/142,262.31 = 67,257.11/x
  3. Step 3: Cross multiply
    103,088.27x = 142,262.31 × 67,257.11
  4. Step 4: Simplify right side
    103,088.27x = 9,568,151,121.21
  5. Step 5: Solve for x
    x = 9,568,151,121.21/103,088.27
  6. Step 6: Final answer
    x = 92,815.13

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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.