Home / 160,013.19-220,652.82-137,426.97

Finding the Fourth Proportional to 160,013.19, 220,652.82 and 137,426.97

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Solution

The fourth proportional to 160,013.19, 220,652.82 and 137,426.97 is: 189,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,013.19 : 220,652.82 = 137,426.97 : x
  2. Step 2: Convert to fraction form
    160,013.19/220,652.82 = 137,426.97/x
  3. Step 3: Cross multiply
    160,013.19x = 220,652.82 × 137,426.97
  4. Step 4: Simplify right side
    160,013.19x = 30,323,648,474.56
  5. Step 5: Solve for x
    x = 30,323,648,474.56/160,013.19
  6. Step 6: Final answer
    x = 189,507.18

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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.