Home / 187,708.77-281,560.79-45,555.21

Finding the Fourth Proportional to 187,708.77, 281,560.79 and 45,555.21

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Solution

The fourth proportional to 187,708.77, 281,560.79 and 45,555.21 is: 68,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,708.77 : 281,560.79 = 45,555.21 : x
  2. Step 2: Convert to fraction form
    187,708.77/281,560.79 = 45,555.21/x
  3. Step 3: Cross multiply
    187,708.77x = 281,560.79 × 45,555.21
  4. Step 4: Simplify right side
    187,708.77x = 12,826,560,688.44
  5. Step 5: Solve for x
    x = 12,826,560,688.44/187,708.77
  6. Step 6: Final answer
    x = 68,332.24

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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.