Home / 197,686.62-272,807.49-107,042.58

Finding the Fourth Proportional to 197,686.62, 272,807.49 and 107,042.58

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Solution

The fourth proportional to 197,686.62, 272,807.49 and 107,042.58 is: 147,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,686.62 : 272,807.49 = 107,042.58 : x
  2. Step 2: Convert to fraction form
    197,686.62/272,807.49 = 107,042.58/x
  3. Step 3: Cross multiply
    197,686.62x = 272,807.49 × 107,042.58
  4. Step 4: Simplify right side
    197,686.62x = 29,202,017,572.92
  5. Step 5: Solve for x
    x = 29,202,017,572.92/197,686.62
  6. Step 6: Final answer
    x = 147,718.74

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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.