Home / 87,314.44-130,237.14-84,690.76

Finding the Fourth Proportional to 87,314.44, 130,237.14 and 84,690.76

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Solution

The fourth proportional to 87,314.44, 130,237.14 and 84,690.76 is: 126,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,314.44 : 130,237.14 = 84,690.76 : x
  2. Step 2: Convert to fraction form
    87,314.44/130,237.14 = 84,690.76/x
  3. Step 3: Cross multiply
    87,314.44x = 130,237.14 × 84,690.76
  4. Step 4: Simplify right side
    87,314.44x = 11,029,882,366.83
  5. Step 5: Solve for x
    x = 11,029,882,366.83/87,314.44
  6. Step 6: Final answer
    x = 126,323.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.