Home / 112,740.54-169,126.38-37,882.10

Finding the Fourth Proportional to 112,740.54, 169,126.38 and 37,882.10

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Solution

The fourth proportional to 112,740.54, 169,126.38 and 37,882.10 is: 56,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,740.54 : 169,126.38 = 37,882.10 : x
  2. Step 2: Convert to fraction form
    112,740.54/169,126.38 = 37,882.10/x
  3. Step 3: Cross multiply
    112,740.54x = 169,126.38 × 37,882.10
  4. Step 4: Simplify right side
    112,740.54x = 6,406,862,439.80
  5. Step 5: Solve for x
    x = 6,406,862,439.80/112,740.54
  6. Step 6: Final answer
    x = 56,828.38

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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.