Home / 148,677.88-205,172.42-84,145.96

Finding the Fourth Proportional to 148,677.88, 205,172.42 and 84,145.96

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Solution

The fourth proportional to 148,677.88, 205,172.42 and 84,145.96 is: 116,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,677.88 : 205,172.42 = 84,145.96 : x
  2. Step 2: Convert to fraction form
    148,677.88/205,172.42 = 84,145.96/x
  3. Step 3: Cross multiply
    148,677.88x = 205,172.42 × 84,145.96
  4. Step 4: Simplify right side
    148,677.88x = 17,264,430,895.87
  5. Step 5: Solve for x
    x = 17,264,430,895.87/148,677.88
  6. Step 6: Final answer
    x = 116,119.70

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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.