Home / 108,719.12-162,944.82-51,822.95

Finding the Fourth Proportional to 108,719.12, 162,944.82 and 51,822.95

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Solution

The fourth proportional to 108,719.12, 162,944.82 and 51,822.95 is: 77,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,719.12 : 162,944.82 = 51,822.95 : x
  2. Step 2: Convert to fraction form
    108,719.12/162,944.82 = 51,822.95/x
  3. Step 3: Cross multiply
    108,719.12x = 162,944.82 × 51,822.95
  4. Step 4: Simplify right side
    108,719.12x = 8,444,280,444.89
  5. Step 5: Solve for x
    x = 8,444,280,444.89/108,719.12
  6. Step 6: Final answer
    x = 77,670.61

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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.