Home / 129,001.20-193,501.80-34,231.20

Finding the Fourth Proportional to 129,001.20, 193,501.80 and 34,231.20

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Solution

The fourth proportional to 129,001.20, 193,501.80 and 34,231.20 is: 51,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,001.20 : 193,501.80 = 34,231.20 : x
  2. Step 2: Convert to fraction form
    129,001.20/193,501.80 = 34,231.20/x
  3. Step 3: Cross multiply
    129,001.20x = 193,501.80 × 34,231.20
  4. Step 4: Simplify right side
    129,001.20x = 6,623,798,816.16
  5. Step 5: Solve for x
    x = 6,623,798,816.16/129,001.20
  6. Step 6: Final answer
    x = 51,346.80

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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.