Home / 108,017.91-149,023.14-67,661.41

Finding the Fourth Proportional to 108,017.91, 149,023.14 and 67,661.41

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Solution

The fourth proportional to 108,017.91, 149,023.14 and 67,661.41 is: 93,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,017.91 : 149,023.14 = 67,661.41 : x
  2. Step 2: Convert to fraction form
    108,017.91/149,023.14 = 67,661.41/x
  3. Step 3: Cross multiply
    108,017.91x = 149,023.14 × 67,661.41
  4. Step 4: Simplify right side
    108,017.91x = 10,083,115,775.03
  5. Step 5: Solve for x
    x = 10,083,115,775.03/108,017.91
  6. Step 6: Final answer
    x = 93,346.70

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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.