Home / 157,426.84-217,249.17-85,805.42

Finding the Fourth Proportional to 157,426.84, 217,249.17 and 85,805.42

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Solution

The fourth proportional to 157,426.84, 217,249.17 and 85,805.42 is: 118,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426.84 : 217,249.17 = 85,805.42 : x
  2. Step 2: Convert to fraction form
    157,426.84/217,249.17 = 85,805.42/x
  3. Step 3: Cross multiply
    157,426.84x = 217,249.17 × 85,805.42
  4. Step 4: Simplify right side
    157,426.84x = 18,641,156,276.50
  5. Step 5: Solve for x
    x = 18,641,156,276.50/157,426.84
  6. Step 6: Final answer
    x = 118,411.55

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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.