Home / 108,856.41-150,211.58-61,100.43

Finding the Fourth Proportional to 108,856.41, 150,211.58 and 61,100.43

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Solution

The fourth proportional to 108,856.41, 150,211.58 and 61,100.43 is: 84,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,856.41 : 150,211.58 = 61,100.43 : x
  2. Step 2: Convert to fraction form
    108,856.41/150,211.58 = 61,100.43/x
  3. Step 3: Cross multiply
    108,856.41x = 150,211.58 × 61,100.43
  4. Step 4: Simplify right side
    108,856.41x = 9,177,991,823.48
  5. Step 5: Solve for x
    x = 9,177,991,823.48/108,856.41
  6. Step 6: Final answer
    x = 84,312.83

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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.