Home / 102,963.12-154,144.20-63,401.52

Finding the Fourth Proportional to 102,963.12, 154,144.20 and 63,401.52

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Solution

The fourth proportional to 102,963.12, 154,144.20 and 63,401.52 is: 94,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,963.12 : 154,144.20 = 63,401.52 : x
  2. Step 2: Convert to fraction form
    102,963.12/154,144.20 = 63,401.52/x
  3. Step 3: Cross multiply
    102,963.12x = 154,144.20 × 63,401.52
  4. Step 4: Simplify right side
    102,963.12x = 9,772,976,579.18
  5. Step 5: Solve for x
    x = 9,772,976,579.18/102,963.12
  6. Step 6: Final answer
    x = 94,917.25

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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.