Home / 101,489.28-152,253.44-31,366.08

Finding the Fourth Proportional to 101,489.28, 152,253.44 and 31,366.08

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Solution

The fourth proportional to 101,489.28, 152,253.44 and 31,366.08 is: 47,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,489.28 : 152,253.44 = 31,366.08 : x
  2. Step 2: Convert to fraction form
    101,489.28/152,253.44 = 31,366.08/x
  3. Step 3: Cross multiply
    101,489.28x = 152,253.44 × 31,366.08
  4. Step 4: Simplify right side
    101,489.28x = 4,775,593,579.32
  5. Step 5: Solve for x
    x = 4,775,593,579.32/101,489.28
  6. Step 6: Final answer
    x = 47,055.15

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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.