Home / 155,374.46-232,894.25-75,242.78

Finding the Fourth Proportional to 155,374.46, 232,894.25 and 75,242.78

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Solution

The fourth proportional to 155,374.46, 232,894.25 and 75,242.78 is: 112,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,374.46 : 232,894.25 = 75,242.78 : x
  2. Step 2: Convert to fraction form
    155,374.46/232,894.25 = 75,242.78/x
  3. Step 3: Cross multiply
    155,374.46x = 232,894.25 × 75,242.78
  4. Step 4: Simplify right side
    155,374.46x = 17,523,609,275.33
  5. Step 5: Solve for x
    x = 17,523,609,275.33/155,374.46
  6. Step 6: Final answer
    x = 112,783.08

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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.