Home / 147,614.10-221,421.15-136,209.30

Finding the Fourth Proportional to 147,614.10, 221,421.15 and 136,209.30

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Solution

The fourth proportional to 147,614.10, 221,421.15 and 136,209.30 is: 204,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,614.10 : 221,421.15 = 136,209.30 : x
  2. Step 2: Convert to fraction form
    147,614.10/221,421.15 = 136,209.30/x
  3. Step 3: Cross multiply
    147,614.10x = 221,421.15 × 136,209.30
  4. Step 4: Simplify right side
    147,614.10x = 30,159,619,846.70
  5. Step 5: Solve for x
    x = 30,159,619,846.70/147,614.10
  6. Step 6: Final answer
    x = 204,313.95

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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.