Home / 97,960.55-146,954.66-31,385.10

Finding the Fourth Proportional to 97,960.55, 146,954.66 and 31,385.10

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Solution

The fourth proportional to 97,960.55, 146,954.66 and 31,385.10 is: 47,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,960.55 : 146,954.66 = 31,385.10 : x
  2. Step 2: Convert to fraction form
    97,960.55/146,954.66 = 31,385.10/x
  3. Step 3: Cross multiply
    97,960.55x = 146,954.66 × 31,385.10
  4. Step 4: Simplify right side
    97,960.55x = 4,612,186,699.57
  5. Step 5: Solve for x
    x = 4,612,186,699.57/97,960.55
  6. Step 6: Final answer
    x = 47,082.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.