Home / 109,095.24-163,642.86-30,209.43

Finding the Fourth Proportional to 109,095.24, 163,642.86 and 30,209.43

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Solution

The fourth proportional to 109,095.24, 163,642.86 and 30,209.43 is: 45,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,095.24 : 163,642.86 = 30,209.43 : x
  2. Step 2: Convert to fraction form
    109,095.24/163,642.86 = 30,209.43/x
  3. Step 3: Cross multiply
    109,095.24x = 163,642.86 × 30,209.43
  4. Step 4: Simplify right side
    109,095.24x = 4,943,557,524.17
  5. Step 5: Solve for x
    x = 4,943,557,524.17/109,095.24
  6. Step 6: Final answer
    x = 45,314.15

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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.