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Finding the Fourth Proportional to 101,064.45, 151,432.65 and 63,557.40

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Solution

The fourth proportional to 101,064.45, 151,432.65 and 63,557.40 is: 95,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,064.45 : 151,432.65 = 63,557.40 : x
  2. Step 2: Convert to fraction form
    101,064.45/151,432.65 = 63,557.40/x
  3. Step 3: Cross multiply
    101,064.45x = 151,432.65 × 63,557.40
  4. Step 4: Simplify right side
    101,064.45x = 9,624,665,509.11
  5. Step 5: Solve for x
    x = 9,624,665,509.11/101,064.45
  6. Step 6: Final answer
    x = 95,232.95

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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.