Home / 87,153.66-120,266.72-48,906.68

Finding the Fourth Proportional to 87,153.66, 120,266.72 and 48,906.68

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Solution

The fourth proportional to 87,153.66, 120,266.72 and 48,906.68 is: 67,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,153.66 : 120,266.72 = 48,906.68 : x
  2. Step 2: Convert to fraction form
    87,153.66/120,266.72 = 48,906.68/x
  3. Step 3: Cross multiply
    87,153.66x = 120,266.72 × 48,906.68
  4. Step 4: Simplify right side
    87,153.66x = 5,881,845,143.82
  5. Step 5: Solve for x
    x = 5,881,845,143.82/87,153.66
  6. Step 6: Final answer
    x = 67,488.22

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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.