Home / 95,490.20-143,192.10-42,872.60

Finding the Fourth Proportional to 95,490.20, 143,192.10 and 42,872.60

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Solution

The fourth proportional to 95,490.20, 143,192.10 and 42,872.60 is: 64,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,490.20 : 143,192.10 = 42,872.60 : x
  2. Step 2: Convert to fraction form
    95,490.20/143,192.10 = 42,872.60/x
  3. Step 3: Cross multiply
    95,490.20x = 143,192.10 × 42,872.60
  4. Step 4: Simplify right side
    95,490.20x = 6,139,017,626.46
  5. Step 5: Solve for x
    x = 6,139,017,626.46/95,490.20
  6. Step 6: Final answer
    x = 64,289.50

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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.