Home / 120,300.47-180,684.24-88,585.26

Finding the Fourth Proportional to 120,300.47, 180,684.24 and 88,585.26

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Solution

The fourth proportional to 120,300.47, 180,684.24 and 88,585.26 is: 133,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,300.47 : 180,684.24 = 88,585.26 : x
  2. Step 2: Convert to fraction form
    120,300.47/180,684.24 = 88,585.26/x
  3. Step 3: Cross multiply
    120,300.47x = 180,684.24 × 88,585.26
  4. Step 4: Simplify right side
    120,300.47x = 16,005,960,378.30
  5. Step 5: Solve for x
    x = 16,005,960,378.30/120,300.47
  6. Step 6: Final answer
    x = 133,049.86

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1.5x scale

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.