Home / 112,834.19-155,713.10-61,845.90

Finding the Fourth Proportional to 112,834.19, 155,713.10 and 61,845.90

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Solution

The fourth proportional to 112,834.19, 155,713.10 and 61,845.90 is: 85,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,834.19 : 155,713.10 = 61,845.90 : x
  2. Step 2: Convert to fraction form
    112,834.19/155,713.10 = 61,845.90/x
  3. Step 3: Cross multiply
    112,834.19x = 155,713.10 × 61,845.90
  4. Step 4: Simplify right side
    112,834.19x = 9,630,216,502.06
  5. Step 5: Solve for x
    x = 9,630,216,502.06/112,834.19
  6. Step 6: Final answer
    x = 85,348.39

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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.