Home / 153,900.29-212,386-96,542.05

Finding the Fourth Proportional to 153,900.29, 212,386 and 96,542.05

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Solution

The fourth proportional to 153,900.29, 212,386 and 96,542.05 is: 133,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,900.29 : 212,386 = 96,542.05 : x
  2. Step 2: Convert to fraction form
    153,900.29/212,386 = 96,542.05/x
  3. Step 3: Cross multiply
    153,900.29x = 212,386 × 96,542.05
  4. Step 4: Simplify right side
    153,900.29x = 20,504,179,831.30
  5. Step 5: Solve for x
    x = 20,504,179,831.30/153,900.29
  6. Step 6: Final answer
    x = 133,230.29

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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.