Home / 147,614.60-221,421.90-136,209.80

Finding the Fourth Proportional to 147,614.60, 221,421.90 and 136,209.80

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Solution

The fourth proportional to 147,614.60, 221,421.90 and 136,209.80 is: 204,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,614.60 : 221,421.90 = 136,209.80 : x
  2. Step 2: Convert to fraction form
    147,614.60/221,421.90 = 136,209.80/x
  3. Step 3: Cross multiply
    147,614.60x = 221,421.90 × 136,209.80
  4. Step 4: Simplify right side
    147,614.60x = 30,159,832,714.62
  5. Step 5: Solve for x
    x = 30,159,832,714.62/147,614.60
  6. Step 6: Final answer
    x = 204,314.70

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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.