Home / 87,476.90-120,776.22-67,298.18

Finding the Fourth Proportional to 87,476.90, 120,776.22 and 67,298.18

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Solution

The fourth proportional to 87,476.90, 120,776.22 and 67,298.18 is: 92,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,476.90 : 120,776.22 = 67,298.18 : x
  2. Step 2: Convert to fraction form
    87,476.90/120,776.22 = 67,298.18/x
  3. Step 3: Cross multiply
    87,476.90x = 120,776.22 × 67,298.18
  4. Step 4: Simplify right side
    87,476.90x = 8,128,019,491.34
  5. Step 5: Solve for x
    x = 8,128,019,491.34/87,476.90
  6. Step 6: Final answer
    x = 92,916.18

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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.