Home / 100,433.17-150,592.67-77,628.95

Finding the Fourth Proportional to 100,433.17, 150,592.67 and 77,628.95

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Solution

The fourth proportional to 100,433.17, 150,592.67 and 77,628.95 is: 116,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,433.17 : 150,592.67 = 77,628.95 : x
  2. Step 2: Convert to fraction form
    100,433.17/150,592.67 = 77,628.95/x
  3. Step 3: Cross multiply
    100,433.17x = 150,592.67 × 77,628.95
  4. Step 4: Simplify right side
    100,433.17x = 11,690,350,849.80
  5. Step 5: Solve for x
    x = 11,690,350,849.80/100,433.17
  6. Step 6: Final answer
    x = 116,399.30

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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.