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Finding the Fourth Proportional to 134,000.80, 201,001.20 and 126,743.20

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Solution

The fourth proportional to 134,000.80, 201,001.20 and 126,743.20 is: 190,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,000.80 : 201,001.20 = 126,743.20 : x
  2. Step 2: Convert to fraction form
    134,000.80/201,001.20 = 126,743.20/x
  3. Step 3: Cross multiply
    134,000.80x = 201,001.20 × 126,743.20
  4. Step 4: Simplify right side
    134,000.80x = 25,475,535,291.84
  5. Step 5: Solve for x
    x = 25,475,535,291.84/134,000.80
  6. Step 6: Final answer
    x = 190,114.80

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1.5x scale

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.