Home / 88,921.13-133,398.12-28,146.70

Finding the Fourth Proportional to 88,921.13, 133,398.12 and 28,146.70

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Solution

The fourth proportional to 88,921.13, 133,398.12 and 28,146.70 is: 42,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,921.13 : 133,398.12 = 28,146.70 : x
  2. Step 2: Convert to fraction form
    88,921.13/133,398.12 = 28,146.70/x
  3. Step 3: Cross multiply
    88,921.13x = 133,398.12 × 28,146.70
  4. Step 4: Simplify right side
    88,921.13x = 3,754,716,197.21
  5. Step 5: Solve for x
    x = 3,754,716,197.21/88,921.13
  6. Step 6: Final answer
    x = 42,225.24

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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.