Home / 136,241.60-204,278.08-57,315.20

Finding the Fourth Proportional to 136,241.60, 204,278.08 and 57,315.20

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Solution

The fourth proportional to 136,241.60, 204,278.08 and 57,315.20 is: 85,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,241.60 : 204,278.08 = 57,315.20 : x
  2. Step 2: Convert to fraction form
    136,241.60/204,278.08 = 57,315.20/x
  3. Step 3: Cross multiply
    136,241.60x = 204,278.08 × 57,315.20
  4. Step 4: Simplify right side
    136,241.60x = 11,708,239,010.82
  5. Step 5: Solve for x
    x = 11,708,239,010.82/136,241.60
  6. Step 6: Final answer
    x = 85,937.33

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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.