Home / 165,080.30-247,620.45-155,238.80

Finding the Fourth Proportional to 165,080.30, 247,620.45 and 155,238.80

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Solution

The fourth proportional to 165,080.30, 247,620.45 and 155,238.80 is: 232,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,080.30 : 247,620.45 = 155,238.80 : x
  2. Step 2: Convert to fraction form
    165,080.30/247,620.45 = 155,238.80/x
  3. Step 3: Cross multiply
    165,080.30x = 247,620.45 × 155,238.80
  4. Step 4: Simplify right side
    165,080.30x = 38,440,301,513.46
  5. Step 5: Solve for x
    x = 38,440,301,513.46/165,080.30
  6. Step 6: Final answer
    x = 232,858.20

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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.