Home / 112,545.32-155,222.85-95,605.64

Finding the Fourth Proportional to 112,545.32, 155,222.85 and 95,605.64

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Solution

The fourth proportional to 112,545.32, 155,222.85 and 95,605.64 is: 131,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,545.32 : 155,222.85 = 95,605.64 : x
  2. Step 2: Convert to fraction form
    112,545.32/155,222.85 = 95,605.64/x
  3. Step 3: Cross multiply
    112,545.32x = 155,222.85 × 95,605.64
  4. Step 4: Simplify right side
    112,545.32x = 14,840,179,140.76
  5. Step 5: Solve for x
    x = 14,840,179,140.76/112,545.32
  6. Step 6: Final answer
    x = 131,859.59

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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.