Home / 215,870.90-323,878.05-95,911.16

Finding the Fourth Proportional to 215,870.90, 323,878.05 and 95,911.16

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Solution

The fourth proportional to 215,870.90, 323,878.05 and 95,911.16 is: 143,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,870.90 : 323,878.05 = 95,911.16 : x
  2. Step 2: Convert to fraction form
    215,870.90/323,878.05 = 95,911.16/x
  3. Step 3: Cross multiply
    215,870.90x = 323,878.05 × 95,911.16
  4. Step 4: Simplify right side
    215,870.90x = 31,063,517,854.65
  5. Step 5: Solve for x
    x = 31,063,517,854.65/215,870.90
  6. Step 6: Final answer
    x = 143,898.59

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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.