Home / 147,670.60-221,505.90-136,265.80

Finding the Fourth Proportional to 147,670.60, 221,505.90 and 136,265.80

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Solution

The fourth proportional to 147,670.60, 221,505.90 and 136,265.80 is: 204,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,670.60 : 221,505.90 = 136,265.80 : x
  2. Step 2: Convert to fraction form
    147,670.60/221,505.90 = 136,265.80/x
  3. Step 3: Cross multiply
    147,670.60x = 221,505.90 × 136,265.80
  4. Step 4: Simplify right side
    147,670.60x = 30,183,678,668.22
  5. Step 5: Solve for x
    x = 30,183,678,668.22/147,670.60
  6. Step 6: Final answer
    x = 204,398.70

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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.