Home / 147,964.80-221,752.80-131,246.40

Finding the Fourth Proportional to 147,964.80, 221,752.80 and 131,246.40

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Solution

The fourth proportional to 147,964.80, 221,752.80 and 131,246.40 is: 196,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,964.80 : 221,752.80 = 131,246.40 : x
  2. Step 2: Convert to fraction form
    147,964.80/221,752.80 = 131,246.40/x
  3. Step 3: Cross multiply
    147,964.80x = 221,752.80 × 131,246.40
  4. Step 4: Simplify right side
    147,964.80x = 29,104,256,689.92
  5. Step 5: Solve for x
    x = 29,104,256,689.92/147,964.80
  6. Step 6: Final answer
    x = 196,697.17

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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.