Home / 155,363.60-232,930.20-66,544.40

Finding the Fourth Proportional to 155,363.60, 232,930.20 and 66,544.40

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Solution

The fourth proportional to 155,363.60, 232,930.20 and 66,544.40 is: 99,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,363.60 : 232,930.20 = 66,544.40 : x
  2. Step 2: Convert to fraction form
    155,363.60/232,930.20 = 66,544.40/x
  3. Step 3: Cross multiply
    155,363.60x = 232,930.20 × 66,544.40
  4. Step 4: Simplify right side
    155,363.60x = 15,500,200,400.88
  5. Step 5: Solve for x
    x = 15,500,200,400.88/155,363.60
  6. Step 6: Final answer
    x = 99,767.26

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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.