Home / 136,877.60-205,316.40-94,887.20

Finding the Fourth Proportional to 136,877.60, 205,316.40 and 94,887.20

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Solution

The fourth proportional to 136,877.60, 205,316.40 and 94,887.20 is: 142,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,877.60 : 205,316.40 = 94,887.20 : x
  2. Step 2: Convert to fraction form
    136,877.60/205,316.40 = 94,887.20/x
  3. Step 3: Cross multiply
    136,877.60x = 205,316.40 × 94,887.20
  4. Step 4: Simplify right side
    136,877.60x = 19,481,898,310.08
  5. Step 5: Solve for x
    x = 19,481,898,310.08/136,877.60
  6. Step 6: Final answer
    x = 142,330.80

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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.