Home / 105,373.32-145,578.92-88,351.17

Finding the Fourth Proportional to 105,373.32, 145,578.92 and 88,351.17

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Solution

The fourth proportional to 105,373.32, 145,578.92 and 88,351.17 is: 122,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,373.32 : 145,578.92 = 88,351.17 : x
  2. Step 2: Convert to fraction form
    105,373.32/145,578.92 = 88,351.17/x
  3. Step 3: Cross multiply
    105,373.32x = 145,578.92 × 88,351.17
  4. Step 4: Simplify right side
    105,373.32x = 12,862,067,467.58
  5. Step 5: Solve for x
    x = 12,862,067,467.58/105,373.32
  6. Step 6: Final answer
    x = 122,061.90

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1.5x scale

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.