Home / 112,743.38-155,579.85-61,753.48

Finding the Fourth Proportional to 112,743.38, 155,579.85 and 61,753.48

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Solution

The fourth proportional to 112,743.38, 155,579.85 and 61,753.48 is: 85,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,743.38 : 155,579.85 = 61,753.48 : x
  2. Step 2: Convert to fraction form
    112,743.38/155,579.85 = 61,753.48/x
  3. Step 3: Cross multiply
    112,743.38x = 155,579.85 × 61,753.48
  4. Step 4: Simplify right side
    112,743.38x = 9,607,596,377.48
  5. Step 5: Solve for x
    x = 9,607,596,377.48/112,743.38
  6. Step 6: Final answer
    x = 85,216.50

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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.