Home / 87,363.09-130,847.73-61,184.70

Finding the Fourth Proportional to 87,363.09, 130,847.73 and 61,184.70

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Solution

The fourth proportional to 87,363.09, 130,847.73 and 61,184.70 is: 91,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,363.09 : 130,847.73 = 61,184.70 : x
  2. Step 2: Convert to fraction form
    87,363.09/130,847.73 = 61,184.70/x
  3. Step 3: Cross multiply
    87,363.09x = 130,847.73 × 61,184.70
  4. Step 4: Simplify right side
    87,363.09x = 8,005,879,105.73
  5. Step 5: Solve for x
    x = 8,005,879,105.73/87,363.09
  6. Step 6: Final answer
    x = 91,639.15

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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.