Home / 109,902.40-151,687.41-64,595.02

Finding the Fourth Proportional to 109,902.40, 151,687.41 and 64,595.02

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Solution

The fourth proportional to 109,902.40, 151,687.41 and 64,595.02 is: 89,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,902.40 : 151,687.41 = 64,595.02 : x
  2. Step 2: Convert to fraction form
    109,902.40/151,687.41 = 64,595.02/x
  3. Step 3: Cross multiply
    109,902.40x = 151,687.41 × 64,595.02
  4. Step 4: Simplify right side
    109,902.40x = 9,798,251,282.70
  5. Step 5: Solve for x
    x = 9,798,251,282.70/109,902.40
  6. Step 6: Final answer
    x = 89,154.12

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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.