Home / 153,845.20-230,767.80-147,940.30

Finding the Fourth Proportional to 153,845.20, 230,767.80 and 147,940.30

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Solution

The fourth proportional to 153,845.20, 230,767.80 and 147,940.30 is: 221,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,845.20 : 230,767.80 = 147,940.30 : x
  2. Step 2: Convert to fraction form
    153,845.20/230,767.80 = 147,940.30/x
  3. Step 3: Cross multiply
    153,845.20x = 230,767.80 × 147,940.30
  4. Step 4: Simplify right side
    153,845.20x = 34,139,857,562.34
  5. Step 5: Solve for x
    x = 34,139,857,562.34/153,845.20
  6. Step 6: Final answer
    x = 221,910.45

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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.