Home / 108,146.57-149,237.75-62,202.72

Finding the Fourth Proportional to 108,146.57, 149,237.75 and 62,202.72

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Solution

The fourth proportional to 108,146.57, 149,237.75 and 62,202.72 is: 85,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,146.57 : 149,237.75 = 62,202.72 : x
  2. Step 2: Convert to fraction form
    108,146.57/149,237.75 = 62,202.72/x
  3. Step 3: Cross multiply
    108,146.57x = 149,237.75 × 62,202.72
  4. Step 4: Simplify right side
    108,146.57x = 9,282,993,677.42
  5. Step 5: Solve for x
    x = 9,282,993,677.42/108,146.57
  6. Step 6: Final answer
    x = 85,837.15

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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.