Home / 120,426.60-180,467.10-88,588.20

Finding the Fourth Proportional to 120,426.60, 180,467.10 and 88,588.20

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Solution

The fourth proportional to 120,426.60, 180,467.10 and 88,588.20 is: 132,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,426.60 : 180,467.10 = 88,588.20 : x
  2. Step 2: Convert to fraction form
    120,426.60/180,467.10 = 88,588.20/x
  3. Step 3: Cross multiply
    120,426.60x = 180,467.10 × 88,588.20
  4. Step 4: Simplify right side
    120,426.60x = 15,987,255,548.22
  5. Step 5: Solve for x
    x = 15,987,255,548.22/120,426.60
  6. Step 6: Final answer
    x = 132,755.18

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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.