Home / 120,364.74-180,545.82-31,616.64

Finding the Fourth Proportional to 120,364.74, 180,545.82 and 31,616.64

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Solution

The fourth proportional to 120,364.74, 180,545.82 and 31,616.64 is: 47,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,364.74 : 180,545.82 = 31,616.64 : x
  2. Step 2: Convert to fraction form
    120,364.74/180,545.82 = 31,616.64/x
  3. Step 3: Cross multiply
    120,364.74x = 180,545.82 × 31,616.64
  4. Step 4: Simplify right side
    120,364.74x = 5,708,252,194.44
  5. Step 5: Solve for x
    x = 5,708,252,194.44/120,364.74
  6. Step 6: Final answer
    x = 47,424.62

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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.