Home / 120,708.42-181,013.76-36,442.50

Finding the Fourth Proportional to 120,708.42, 181,013.76 and 36,442.50

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Solution

The fourth proportional to 120,708.42, 181,013.76 and 36,442.50 is: 54,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,708.42 : 181,013.76 = 36,442.50 : x
  2. Step 2: Convert to fraction form
    120,708.42/181,013.76 = 36,442.50/x
  3. Step 3: Cross multiply
    120,708.42x = 181,013.76 × 36,442.50
  4. Step 4: Simplify right side
    120,708.42x = 6,596,593,948.80
  5. Step 5: Solve for x
    x = 6,596,593,948.80/120,708.42
  6. Step 6: Final answer
    x = 54,649.00

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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.