Home / 155,265.40-232,898.10-145,423.90

Finding the Fourth Proportional to 155,265.40, 232,898.10 and 145,423.90

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Solution

The fourth proportional to 155,265.40, 232,898.10 and 145,423.90 is: 218,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,265.40 : 232,898.10 = 145,423.90 : x
  2. Step 2: Convert to fraction form
    155,265.40/232,898.10 = 145,423.90/x
  3. Step 3: Cross multiply
    155,265.40x = 232,898.10 × 145,423.90
  4. Step 4: Simplify right side
    155,265.40x = 33,868,950,004.59
  5. Step 5: Solve for x
    x = 33,868,950,004.59/155,265.40
  6. Step 6: Final answer
    x = 218,135.85

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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.