Home / 165,084.80-247,627.20-155,243.30

Finding the Fourth Proportional to 165,084.80, 247,627.20 and 155,243.30

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Solution

The fourth proportional to 165,084.80, 247,627.20 and 155,243.30 is: 232,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,084.80 : 247,627.20 = 155,243.30 : x
  2. Step 2: Convert to fraction form
    165,084.80/247,627.20 = 155,243.30/x
  3. Step 3: Cross multiply
    165,084.80x = 247,627.20 × 155,243.30
  4. Step 4: Simplify right side
    165,084.80x = 38,442,463,697.76
  5. Step 5: Solve for x
    x = 38,442,463,697.76/165,084.80
  6. Step 6: Final answer
    x = 232,864.95

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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.