Home / 195,220.20-292,830.30-76,895.40

Finding the Fourth Proportional to 195,220.20, 292,830.30 and 76,895.40

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Solution

The fourth proportional to 195,220.20, 292,830.30 and 76,895.40 is: 115,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,220.20 : 292,830.30 = 76,895.40 : x
  2. Step 2: Convert to fraction form
    195,220.20/292,830.30 = 76,895.40/x
  3. Step 3: Cross multiply
    195,220.20x = 292,830.30 × 76,895.40
  4. Step 4: Simplify right side
    195,220.20x = 22,517,303,050.62
  5. Step 5: Solve for x
    x = 22,517,303,050.62/195,220.20
  6. Step 6: Final answer
    x = 115,343.10

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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.