Home / 112,373.29-168,566.42-42,253.21

Finding the Fourth Proportional to 112,373.29, 168,566.42 and 42,253.21

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Solution

The fourth proportional to 112,373.29, 168,566.42 and 42,253.21 is: 63,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,373.29 : 168,566.42 = 42,253.21 : x
  2. Step 2: Convert to fraction form
    112,373.29/168,566.42 = 42,253.21/x
  3. Step 3: Cross multiply
    112,373.29x = 168,566.42 × 42,253.21
  4. Step 4: Simplify right side
    112,373.29x = 7,122,472,421.87
  5. Step 5: Solve for x
    x = 7,122,472,421.87/112,373.29
  6. Step 6: Final answer
    x = 63,382.25

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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.