Home / 165,331.80-247,560.30-130,048.20

Finding the Fourth Proportional to 165,331.80, 247,560.30 and 130,048.20

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Solution

The fourth proportional to 165,331.80, 247,560.30 and 130,048.20 is: 194,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,331.80 : 247,560.30 = 130,048.20 : x
  2. Step 2: Convert to fraction form
    165,331.80/247,560.30 = 130,048.20/x
  3. Step 3: Cross multiply
    165,331.80x = 247,560.30 × 130,048.20
  4. Step 4: Simplify right side
    165,331.80x = 32,194,771,406.46
  5. Step 5: Solve for x
    x = 32,194,771,406.46/165,331.80
  6. Step 6: Final answer
    x = 194,728.25

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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.