Home / 155,113.47-232,682.94-66,367.89

Finding the Fourth Proportional to 155,113.47, 232,682.94 and 66,367.89

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Solution

The fourth proportional to 155,113.47, 232,682.94 and 66,367.89 is: 99,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,113.47 : 232,682.94 = 66,367.89 : x
  2. Step 2: Convert to fraction form
    155,113.47/232,682.94 = 66,367.89/x
  3. Step 3: Cross multiply
    155,113.47x = 232,682.94 × 66,367.89
  4. Step 4: Simplify right side
    155,113.47x = 15,442,675,766.80
  5. Step 5: Solve for x
    x = 15,442,675,766.80/155,113.47
  6. Step 6: Final answer
    x = 99,557.28

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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.