Home / 97,002.20-144,646.64-85,204.28

Finding the Fourth Proportional to 97,002.20, 144,646.64 and 85,204.28

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Solution

The fourth proportional to 97,002.20, 144,646.64 and 85,204.28 is: 127,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,002.20 : 144,646.64 = 85,204.28 : x
  2. Step 2: Convert to fraction form
    97,002.20/144,646.64 = 85,204.28/x
  3. Step 3: Cross multiply
    97,002.20x = 144,646.64 × 85,204.28
  4. Step 4: Simplify right side
    97,002.20x = 12,324,512,815.62
  5. Step 5: Solve for x
    x = 12,324,512,815.62/97,002.20
  6. Step 6: Final answer
    x = 127,053.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.