Home / 125,280.27-187,587.90-97,990.56

Finding the Fourth Proportional to 125,280.27, 187,587.90 and 97,990.56

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Solution

The fourth proportional to 125,280.27, 187,587.90 and 97,990.56 is: 146,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,280.27 : 187,587.90 = 97,990.56 : x
  2. Step 2: Convert to fraction form
    125,280.27/187,587.90 = 97,990.56/x
  3. Step 3: Cross multiply
    125,280.27x = 187,587.90 × 97,990.56
  4. Step 4: Simplify right side
    125,280.27x = 18,381,843,370.22
  5. Step 5: Solve for x
    x = 18,381,843,370.22/125,280.27
  6. Step 6: Final answer
    x = 146,725.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.