Home / 108,578.12-149,834.18-60,178

Finding the Fourth Proportional to 108,578.12, 149,834.18 and 60,178

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Solution

The fourth proportional to 108,578.12, 149,834.18 and 60,178 is: 83,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,578.12 : 149,834.18 = 60,178 : x
  2. Step 2: Convert to fraction form
    108,578.12/149,834.18 = 60,178/x
  3. Step 3: Cross multiply
    108,578.12x = 149,834.18 × 60,178
  4. Step 4: Simplify right side
    108,578.12x = 9,016,721,284.04
  5. Step 5: Solve for x
    x = 9,016,721,284.04/108,578.12
  6. Step 6: Final answer
    x = 83,043.63

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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.