Home / 189,924.90-284,782.17-77,683.95

Finding the Fourth Proportional to 189,924.90, 284,782.17 and 77,683.95

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Solution

The fourth proportional to 189,924.90, 284,782.17 and 77,683.95 is: 116,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,924.90 : 284,782.17 = 77,683.95 : x
  2. Step 2: Convert to fraction form
    189,924.90/284,782.17 = 77,683.95/x
  3. Step 3: Cross multiply
    189,924.90x = 284,782.17 × 77,683.95
  4. Step 4: Simplify right side
    189,924.90x = 22,123,002,625.47
  5. Step 5: Solve for x
    x = 22,123,002,625.47/189,924.90
  6. Step 6: Final answer
    x = 116,482.90

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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.