Home / 122,001.24-168,320.96-71,003.15

Finding the Fourth Proportional to 122,001.24, 168,320.96 and 71,003.15

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Solution

The fourth proportional to 122,001.24, 168,320.96 and 71,003.15 is: 97,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,001.24 : 168,320.96 = 71,003.15 : x
  2. Step 2: Convert to fraction form
    122,001.24/168,320.96 = 71,003.15/x
  3. Step 3: Cross multiply
    122,001.24x = 168,320.96 × 71,003.15
  4. Step 4: Simplify right side
    122,001.24x = 11,951,319,224.11
  5. Step 5: Solve for x
    x = 11,951,319,224.11/122,001.24
  6. Step 6: Final answer
    x = 97,960.64

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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.