Home / 112,982.80-169,488.60-42,882.16

Finding the Fourth Proportional to 112,982.80, 169,488.60 and 42,882.16

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Solution

The fourth proportional to 112,982.80, 169,488.60 and 42,882.16 is: 64,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.80 : 169,488.60 = 42,882.16 : x
  2. Step 2: Convert to fraction form
    112,982.80/169,488.60 = 42,882.16/x
  3. Step 3: Cross multiply
    112,982.80x = 169,488.60 × 42,882.16
  4. Step 4: Simplify right side
    112,982.80x = 7,268,037,263.38
  5. Step 5: Solve for x
    x = 7,268,037,263.38/112,982.80
  6. Step 6: Final answer
    x = 64,328.71

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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.