Home / 102,293.49-141,126.81-102,135.79

Finding the Fourth Proportional to 102,293.49, 141,126.81 and 102,135.79

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Solution

The fourth proportional to 102,293.49, 141,126.81 and 102,135.79 is: 140,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,293.49 : 141,126.81 = 102,135.79 : x
  2. Step 2: Convert to fraction form
    102,293.49/141,126.81 = 102,135.79/x
  3. Step 3: Cross multiply
    102,293.49x = 141,126.81 × 102,135.79
  4. Step 4: Simplify right side
    102,293.49x = 14,414,097,523.90
  5. Step 5: Solve for x
    x = 14,414,097,523.90/102,293.49
  6. Step 6: Final answer
    x = 140,909.24

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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.