Home / 155,834.88-215,036.16-92,160.24

Finding the Fourth Proportional to 155,834.88, 215,036.16 and 92,160.24

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Solution

The fourth proportional to 155,834.88, 215,036.16 and 92,160.24 is: 127,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,834.88 : 215,036.16 = 92,160.24 : x
  2. Step 2: Convert to fraction form
    155,834.88/215,036.16 = 92,160.24/x
  3. Step 3: Cross multiply
    155,834.88x = 215,036.16 × 92,160.24
  4. Step 4: Simplify right side
    155,834.88x = 19,817,784,114.28
  5. Step 5: Solve for x
    x = 19,817,784,114.28/155,834.88
  6. Step 6: Final answer
    x = 127,171.68

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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.