Home / 122,002.29-168,363.12-68,287.31

Finding the Fourth Proportional to 122,002.29, 168,363.12 and 68,287.31

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Solution

The fourth proportional to 122,002.29, 168,363.12 and 68,287.31 is: 94,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,002.29 : 168,363.12 = 68,287.31 : x
  2. Step 2: Convert to fraction form
    122,002.29/168,363.12 = 68,287.31/x
  3. Step 3: Cross multiply
    122,002.29x = 168,363.12 × 68,287.31
  4. Step 4: Simplify right side
    122,002.29x = 11,497,063,726.19
  5. Step 5: Solve for x
    x = 11,497,063,726.19/122,002.29
  6. Step 6: Final answer
    x = 94,236.46

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1.5x scale

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.