Home / 130,001.25-195,001.88-31,505.25

Finding the Fourth Proportional to 130,001.25, 195,001.88 and 31,505.25

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Solution

The fourth proportional to 130,001.25, 195,001.88 and 31,505.25 is: 47,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,001.25 : 195,001.88 = 31,505.25 : x
  2. Step 2: Convert to fraction form
    130,001.25/195,001.88 = 31,505.25/x
  3. Step 3: Cross multiply
    130,001.25x = 195,001.88 × 31,505.25
  4. Step 4: Simplify right side
    130,001.25x = 6,143,582,822.34
  5. Step 5: Solve for x
    x = 6,143,582,822.34/130,001.25
  6. Step 6: Final answer
    x = 47,257.88

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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.