Home / 147,393.13-221,064.02-47,553.31

Finding the Fourth Proportional to 147,393.13, 221,064.02 and 47,553.31

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Solution

The fourth proportional to 147,393.13, 221,064.02 and 47,553.31 is: 71,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,393.13 : 221,064.02 = 47,553.31 : x
  2. Step 2: Convert to fraction form
    147,393.13/221,064.02 = 47,553.31/x
  3. Step 3: Cross multiply
    147,393.13x = 221,064.02 × 47,553.31
  4. Step 4: Simplify right side
    147,393.13x = 10,512,325,872.91
  5. Step 5: Solve for x
    x = 10,512,325,872.91/147,393.13
  6. Step 6: Final answer
    x = 71,321.68

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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.