Home / 120,269.52-180,264.87-45,341.69

Finding the Fourth Proportional to 120,269.52, 180,264.87 and 45,341.69

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Solution

The fourth proportional to 120,269.52, 180,264.87 and 45,341.69 is: 67,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,269.52 : 180,264.87 = 45,341.69 : x
  2. Step 2: Convert to fraction form
    120,269.52/180,264.87 = 45,341.69/x
  3. Step 3: Cross multiply
    120,269.52x = 180,264.87 × 45,341.69
  4. Step 4: Simplify right side
    120,269.52x = 8,173,512,952.11
  5. Step 5: Solve for x
    x = 8,173,512,952.11/120,269.52
  6. Step 6: Final answer
    x = 67,959.97

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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.