Home / 147,949.20-221,794.20-88,808.40

Finding the Fourth Proportional to 147,949.20, 221,794.20 and 88,808.40

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Solution

The fourth proportional to 147,949.20, 221,794.20 and 88,808.40 is: 133,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,949.20 : 221,794.20 = 88,808.40 : x
  2. Step 2: Convert to fraction form
    147,949.20/221,794.20 = 88,808.40/x
  3. Step 3: Cross multiply
    147,949.20x = 221,794.20 × 88,808.40
  4. Step 4: Simplify right side
    147,949.20x = 19,697,188,031.28
  5. Step 5: Solve for x
    x = 19,697,188,031.28/147,949.20
  6. Step 6: Final answer
    x = 133,134.81

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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.