Home / 120,930.20-181,395.30-47,058.20

Finding the Fourth Proportional to 120,930.20, 181,395.30 and 47,058.20

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Solution

The fourth proportional to 120,930.20, 181,395.30 and 47,058.20 is: 70,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,930.20 : 181,395.30 = 47,058.20 : x
  2. Step 2: Convert to fraction form
    120,930.20/181,395.30 = 47,058.20/x
  3. Step 3: Cross multiply
    120,930.20x = 181,395.30 × 47,058.20
  4. Step 4: Simplify right side
    120,930.20x = 8,536,136,306.46
  5. Step 5: Solve for x
    x = 8,536,136,306.46/120,930.20
  6. Step 6: Final answer
    x = 70,587.30

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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.