Home / 145,852.20-218,778.30-52,367.40

Finding the Fourth Proportional to 145,852.20, 218,778.30 and 52,367.40

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Solution

The fourth proportional to 145,852.20, 218,778.30 and 52,367.40 is: 78,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,852.20 : 218,778.30 = 52,367.40 : x
  2. Step 2: Convert to fraction form
    145,852.20/218,778.30 = 52,367.40/x
  3. Step 3: Cross multiply
    145,852.20x = 218,778.30 × 52,367.40
  4. Step 4: Simplify right side
    145,852.20x = 11,456,850,747.42
  5. Step 5: Solve for x
    x = 11,456,850,747.42/145,852.20
  6. Step 6: Final answer
    x = 78,551.10

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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.