Home / 193,154.48-266,564.40-108,298.88

Finding the Fourth Proportional to 193,154.48, 266,564.40 and 108,298.88

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Solution

The fourth proportional to 193,154.48, 266,564.40 and 108,298.88 is: 149,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,154.48 : 266,564.40 = 108,298.88 : x
  2. Step 2: Convert to fraction form
    193,154.48/266,564.40 = 108,298.88/x
  3. Step 3: Cross multiply
    193,154.48x = 266,564.40 × 108,298.88
  4. Step 4: Simplify right side
    193,154.48x = 28,868,625,967.87
  5. Step 5: Solve for x
    x = 28,868,625,967.87/193,154.48
  6. Step 6: Final answer
    x = 149,458.74

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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.