Home / 175,515.75-242,113.32-107,565.66

Finding the Fourth Proportional to 175,515.75, 242,113.32 and 107,565.66

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Solution

The fourth proportional to 175,515.75, 242,113.32 and 107,565.66 is: 148,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,515.75 : 242,113.32 = 107,565.66 : x
  2. Step 2: Convert to fraction form
    175,515.75/242,113.32 = 107,565.66/x
  3. Step 3: Cross multiply
    175,515.75x = 242,113.32 × 107,565.66
  4. Step 4: Simplify right side
    175,515.75x = 26,043,079,060.59
  5. Step 5: Solve for x
    x = 26,043,079,060.59/175,515.75
  6. Step 6: Final answer
    x = 148,380.30

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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.