Home / 145,423.59-218,252.04-75,322.95

Finding the Fourth Proportional to 145,423.59, 218,252.04 and 75,322.95

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Solution

The fourth proportional to 145,423.59, 218,252.04 and 75,322.95 is: 113,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,423.59 : 218,252.04 = 75,322.95 : x
  2. Step 2: Convert to fraction form
    145,423.59/218,252.04 = 75,322.95/x
  3. Step 3: Cross multiply
    145,423.59x = 218,252.04 × 75,322.95
  4. Step 4: Simplify right side
    145,423.59x = 16,439,387,496.32
  5. Step 5: Solve for x
    x = 16,439,387,496.32/145,423.59
  6. Step 6: Final answer
    x = 113,044.85

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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.