Home / 108,689.16-149,989.14-60,942.36

Finding the Fourth Proportional to 108,689.16, 149,989.14 and 60,942.36

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Solution

The fourth proportional to 108,689.16, 149,989.14 and 60,942.36 is: 84,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,689.16 : 149,989.14 = 60,942.36 : x
  2. Step 2: Convert to fraction form
    108,689.16/149,989.14 = 60,942.36/x
  3. Step 3: Cross multiply
    108,689.16x = 149,989.14 × 60,942.36
  4. Step 4: Simplify right side
    108,689.16x = 9,140,692,165.97
  5. Step 5: Solve for x
    x = 9,140,692,165.97/108,689.16
  6. Step 6: Final answer
    x = 84,099.39

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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.