Home / 155,084.98-232,439.67-70,729.57

Finding the Fourth Proportional to 155,084.98, 232,439.67 and 70,729.57

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Solution

The fourth proportional to 155,084.98, 232,439.67 and 70,729.57 is: 106,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,084.98 : 232,439.67 = 70,729.57 : x
  2. Step 2: Convert to fraction form
    155,084.98/232,439.67 = 70,729.57/x
  3. Step 3: Cross multiply
    155,084.98x = 232,439.67 × 70,729.57
  4. Step 4: Simplify right side
    155,084.98x = 16,440,357,910.04
  5. Step 5: Solve for x
    x = 16,440,357,910.04/155,084.98
  6. Step 6: Final answer
    x = 106,008.71

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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.