Home / 101,335.28-151,989.96-42,159.92

Finding the Fourth Proportional to 101,335.28, 151,989.96 and 42,159.92

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Solution

The fourth proportional to 101,335.28, 151,989.96 and 42,159.92 is: 63,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,335.28 : 151,989.96 = 42,159.92 : x
  2. Step 2: Convert to fraction form
    101,335.28/151,989.96 = 42,159.92/x
  3. Step 3: Cross multiply
    101,335.28x = 151,989.96 × 42,159.92
  4. Step 4: Simplify right side
    101,335.28x = 6,407,884,554.40
  5. Step 5: Solve for x
    x = 6,407,884,554.40/101,335.28
  6. Step 6: Final answer
    x = 63,234.49

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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.