Home / 195,228.08-292,911.48-87,147.65

Finding the Fourth Proportional to 195,228.08, 292,911.48 and 87,147.65

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Solution

The fourth proportional to 195,228.08, 292,911.48 and 87,147.65 is: 130,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,228.08 : 292,911.48 = 87,147.65 : x
  2. Step 2: Convert to fraction form
    195,228.08/292,911.48 = 87,147.65/x
  3. Step 3: Cross multiply
    195,228.08x = 292,911.48 × 87,147.65
  4. Step 4: Simplify right side
    195,228.08x = 25,526,547,872.30
  5. Step 5: Solve for x
    x = 25,526,547,872.30/195,228.08
  6. Step 6: Final answer
    x = 130,752.44

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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.