Home / 108,219.78-162,330.75-38,099.70

Finding the Fourth Proportional to 108,219.78, 162,330.75 and 38,099.70

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Solution

The fourth proportional to 108,219.78, 162,330.75 and 38,099.70 is: 57,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,219.78 : 162,330.75 = 38,099.70 : x
  2. Step 2: Convert to fraction form
    108,219.78/162,330.75 = 38,099.70/x
  3. Step 3: Cross multiply
    108,219.78x = 162,330.75 × 38,099.70
  4. Step 4: Simplify right side
    108,219.78x = 6,184,752,875.78
  5. Step 5: Solve for x
    x = 6,184,752,875.78/108,219.78
  6. Step 6: Final answer
    x = 57,149.93

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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.