Home / 109,223.12-163,874.12-38,156.25

Finding the Fourth Proportional to 109,223.12, 163,874.12 and 38,156.25

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Solution

The fourth proportional to 109,223.12, 163,874.12 and 38,156.25 is: 57,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,223.12 : 163,874.12 = 38,156.25 : x
  2. Step 2: Convert to fraction form
    109,223.12/163,874.12 = 38,156.25/x
  3. Step 3: Cross multiply
    109,223.12x = 163,874.12 × 38,156.25
  4. Step 4: Simplify right side
    109,223.12x = 6,252,821,891.25
  5. Step 5: Solve for x
    x = 6,252,821,891.25/109,223.12
  6. Step 6: Final answer
    x = 57,248.15

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1.5x scale

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.