Home / 120,164.60-180,089.21-88,426.08

Finding the Fourth Proportional to 120,164.60, 180,089.21 and 88,426.08

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Solution

The fourth proportional to 120,164.60, 180,089.21 and 88,426.08 is: 132,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,164.60 : 180,089.21 = 88,426.08 : x
  2. Step 2: Convert to fraction form
    120,164.60/180,089.21 = 88,426.08/x
  3. Step 3: Cross multiply
    120,164.60x = 180,089.21 × 88,426.08
  4. Step 4: Simplify right side
    120,164.60x = 15,924,583,111.66
  5. Step 5: Solve for x
    x = 15,924,583,111.66/120,164.60
  6. Step 6: Final answer
    x = 132,523.08

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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.