Home / 153,926.70-230,890.05-138,180.30

Finding the Fourth Proportional to 153,926.70, 230,890.05 and 138,180.30

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Solution

The fourth proportional to 153,926.70, 230,890.05 and 138,180.30 is: 207,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,926.70 : 230,890.05 = 138,180.30 : x
  2. Step 2: Convert to fraction form
    153,926.70/230,890.05 = 138,180.30/x
  3. Step 3: Cross multiply
    153,926.70x = 230,890.05 × 138,180.30
  4. Step 4: Simplify right side
    153,926.70x = 31,904,456,376.02
  5. Step 5: Solve for x
    x = 31,904,456,376.02/153,926.70
  6. Step 6: Final answer
    x = 207,270.45

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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.