Home / 112,944.52-155,882.10-62,659.72

Finding the Fourth Proportional to 112,944.52, 155,882.10 and 62,659.72

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Solution

The fourth proportional to 112,944.52, 155,882.10 and 62,659.72 is: 86,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,944.52 : 155,882.10 = 62,659.72 : x
  2. Step 2: Convert to fraction form
    112,944.52/155,882.10 = 62,659.72/x
  3. Step 3: Cross multiply
    112,944.52x = 155,882.10 × 62,659.72
  4. Step 4: Simplify right side
    112,944.52x = 9,767,528,739.01
  5. Step 5: Solve for x
    x = 9,767,528,739.01/112,944.52
  6. Step 6: Final answer
    x = 86,480.77

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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.