Home / 155,841.17-215,045.28-95,428.94

Finding the Fourth Proportional to 155,841.17, 215,045.28 and 95,428.94

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Solution

The fourth proportional to 155,841.17, 215,045.28 and 95,428.94 is: 131,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,841.17 : 215,045.28 = 95,428.94 : x
  2. Step 2: Convert to fraction form
    155,841.17/215,045.28 = 95,428.94/x
  3. Step 3: Cross multiply
    155,841.17x = 215,045.28 × 95,428.94
  4. Step 4: Simplify right side
    155,841.17x = 20,521,542,047.18
  5. Step 5: Solve for x
    x = 20,521,542,047.18/155,841.17
  6. Step 6: Final answer
    x = 131,682.42

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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.