Home / 134,793.30-201,801.15-90,470.10

Finding the Fourth Proportional to 134,793.30, 201,801.15 and 90,470.10

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Solution

The fourth proportional to 134,793.30, 201,801.15 and 90,470.10 is: 135,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,793.30 : 201,801.15 = 90,470.10 : x
  2. Step 2: Convert to fraction form
    134,793.30/201,801.15 = 90,470.10/x
  3. Step 3: Cross multiply
    134,793.30x = 201,801.15 × 90,470.10
  4. Step 4: Simplify right side
    134,793.30x = 18,256,970,220.62
  5. Step 5: Solve for x
    x = 18,256,970,220.62/134,793.30
  6. Step 6: Final answer
    x = 135,444.20

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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.