Home / 155,148.60-232,766.10-76,265.40

Finding the Fourth Proportional to 155,148.60, 232,766.10 and 76,265.40

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Solution

The fourth proportional to 155,148.60, 232,766.10 and 76,265.40 is: 114,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,148.60 : 232,766.10 = 76,265.40 : x
  2. Step 2: Convert to fraction form
    155,148.60/232,766.10 = 76,265.40/x
  3. Step 3: Cross multiply
    155,148.60x = 232,766.10 × 76,265.40
  4. Step 4: Simplify right side
    155,148.60x = 17,751,999,722.94
  5. Step 5: Solve for x
    x = 17,751,999,722.94/155,148.60
  6. Step 6: Final answer
    x = 114,419.34

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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.