Home / 95,442.40-143,222.10-39,309.40

Finding the Fourth Proportional to 95,442.40, 143,222.10 and 39,309.40

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Solution

The fourth proportional to 95,442.40, 143,222.10 and 39,309.40 is: 58,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,442.40 : 143,222.10 = 39,309.40 : x
  2. Step 2: Convert to fraction form
    95,442.40/143,222.10 = 39,309.40/x
  3. Step 3: Cross multiply
    95,442.40x = 143,222.10 × 39,309.40
  4. Step 4: Simplify right side
    95,442.40x = 5,629,974,817.74
  5. Step 5: Solve for x
    x = 5,629,974,817.74/95,442.40
  6. Step 6: Final answer
    x = 58,988.19

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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.