Home / 165,014.20-247,521.30-155,337.40

Finding the Fourth Proportional to 165,014.20, 247,521.30 and 155,337.40

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Solution

The fourth proportional to 165,014.20, 247,521.30 and 155,337.40 is: 233,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,014.20 : 247,521.30 = 155,337.40 : x
  2. Step 2: Convert to fraction form
    165,014.20/247,521.30 = 155,337.40/x
  3. Step 3: Cross multiply
    165,014.20x = 247,521.30 × 155,337.40
  4. Step 4: Simplify right side
    165,014.20x = 38,449,315,186.62
  5. Step 5: Solve for x
    x = 38,449,315,186.62/165,014.20
  6. Step 6: Final answer
    x = 233,006.10

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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.