Home / 148,876.18-205,459.54-84,344.90

Finding the Fourth Proportional to 148,876.18, 205,459.54 and 84,344.90

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Solution

The fourth proportional to 148,876.18, 205,459.54 and 84,344.90 is: 116,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,876.18 : 205,459.54 = 84,344.90 : x
  2. Step 2: Convert to fraction form
    148,876.18/205,459.54 = 84,344.90/x
  3. Step 3: Cross multiply
    148,876.18x = 205,459.54 × 84,344.90
  4. Step 4: Simplify right side
    148,876.18x = 17,329,463,117.19
  5. Step 5: Solve for x
    x = 17,329,463,117.19/148,876.18
  6. Step 6: Final answer
    x = 116,401.85

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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.