Home / 112,962.92-169,444.40-38,076.82

Finding the Fourth Proportional to 112,962.92, 169,444.40 and 38,076.82

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Solution

The fourth proportional to 112,962.92, 169,444.40 and 38,076.82 is: 57,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,962.92 : 169,444.40 = 38,076.82 : x
  2. Step 2: Convert to fraction form
    112,962.92/169,444.40 = 38,076.82/x
  3. Step 3: Cross multiply
    112,962.92x = 169,444.40 × 38,076.82
  4. Step 4: Simplify right side
    112,962.92x = 6,451,903,304.81
  5. Step 5: Solve for x
    x = 6,451,903,304.81/112,962.92
  6. Step 6: Final answer
    x = 57,115.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.