Home / 87,506.10-131,280.06-28,341.84

Finding the Fourth Proportional to 87,506.10, 131,280.06 and 28,341.84

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Solution

The fourth proportional to 87,506.10, 131,280.06 and 28,341.84 is: 42,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,506.10 : 131,280.06 = 28,341.84 : x
  2. Step 2: Convert to fraction form
    87,506.10/131,280.06 = 28,341.84/x
  3. Step 3: Cross multiply
    87,506.10x = 131,280.06 × 28,341.84
  4. Step 4: Simplify right side
    87,506.10x = 3,720,718,455.71
  5. Step 5: Solve for x
    x = 3,720,718,455.71/87,506.10
  6. Step 6: Final answer
    x = 42,519.53

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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.