Home / 120,746.60-181,119.90-41,868.80

Finding the Fourth Proportional to 120,746.60, 181,119.90 and 41,868.80

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Solution

The fourth proportional to 120,746.60, 181,119.90 and 41,868.80 is: 62,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,746.60 : 181,119.90 = 41,868.80 : x
  2. Step 2: Convert to fraction form
    120,746.60/181,119.90 = 41,868.80/x
  3. Step 3: Cross multiply
    120,746.60x = 181,119.90 × 41,868.80
  4. Step 4: Simplify right side
    120,746.60x = 7,583,272,869.12
  5. Step 5: Solve for x
    x = 7,583,272,869.12/120,746.60
  6. Step 6: Final answer
    x = 62,803.20

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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.