Home / 112,502.59-155,247.22-61,505.84

Finding the Fourth Proportional to 112,502.59, 155,247.22 and 61,505.84

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Solution

The fourth proportional to 112,502.59, 155,247.22 and 61,505.84 is: 84,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,502.59 : 155,247.22 = 61,505.84 : x
  2. Step 2: Convert to fraction form
    112,502.59/155,247.22 = 61,505.84/x
  3. Step 3: Cross multiply
    112,502.59x = 155,247.22 × 61,505.84
  4. Step 4: Simplify right side
    112,502.59x = 9,548,610,673.76
  5. Step 5: Solve for x
    x = 9,548,610,673.76/112,502.59
  6. Step 6: Final answer
    x = 84,874.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.