Home / 132,877.60-199,316.40-90,887.20

Finding the Fourth Proportional to 132,877.60, 199,316.40 and 90,887.20

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Solution

The fourth proportional to 132,877.60, 199,316.40 and 90,887.20 is: 136,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,877.60 : 199,316.40 = 90,887.20 : x
  2. Step 2: Convert to fraction form
    132,877.60/199,316.40 = 90,887.20/x
  3. Step 3: Cross multiply
    132,877.60x = 199,316.40 × 90,887.20
  4. Step 4: Simplify right side
    132,877.60x = 18,115,309,510.08
  5. Step 5: Solve for x
    x = 18,115,309,510.08/132,877.60
  6. Step 6: Final answer
    x = 136,330.80

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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.