Home / 112,517.90-168,677.52-42,446.42

Finding the Fourth Proportional to 112,517.90, 168,677.52 and 42,446.42

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Solution

The fourth proportional to 112,517.90, 168,677.52 and 42,446.42 is: 63,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,517.90 : 168,677.52 = 42,446.42 : x
  2. Step 2: Convert to fraction form
    112,517.90/168,677.52 = 42,446.42/x
  3. Step 3: Cross multiply
    112,517.90x = 168,677.52 × 42,446.42
  4. Step 4: Simplify right side
    112,517.90x = 7,159,756,858.48
  5. Step 5: Solve for x
    x = 7,159,756,858.48/112,517.90
  6. Step 6: Final answer
    x = 63,632.16

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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.