Home / 247,341.42-371,013.21-105,150.06

Finding the Fourth Proportional to 247,341.42, 371,013.21 and 105,150.06

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Solution

The fourth proportional to 247,341.42, 371,013.21 and 105,150.06 is: 157,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,341.42 : 371,013.21 = 105,150.06 : x
  2. Step 2: Convert to fraction form
    247,341.42/371,013.21 = 105,150.06/x
  3. Step 3: Cross multiply
    247,341.42x = 371,013.21 × 105,150.06
  4. Step 4: Simplify right side
    247,341.42x = 39,012,061,292.29
  5. Step 5: Solve for x
    x = 39,012,061,292.29/247,341.42
  6. Step 6: Final answer
    x = 157,725.55

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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.