Home / 136,717.25-205,123.05-56,798.15

Finding the Fourth Proportional to 136,717.25, 205,123.05 and 56,798.15

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Solution

The fourth proportional to 136,717.25, 205,123.05 and 56,798.15 is: 85,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,717.25 : 205,123.05 = 56,798.15 : x
  2. Step 2: Convert to fraction form
    136,717.25/205,123.05 = 56,798.15/x
  3. Step 3: Cross multiply
    136,717.25x = 205,123.05 × 56,798.15
  4. Step 4: Simplify right side
    136,717.25x = 11,650,608,736.74
  5. Step 5: Solve for x
    x = 11,650,608,736.74/136,717.25
  6. Step 6: Final answer
    x = 85,216.82

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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.