Home / 170,472.90-255,728.55-52,143.30

Finding the Fourth Proportional to 170,472.90, 255,728.55 and 52,143.30

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Solution

The fourth proportional to 170,472.90, 255,728.55 and 52,143.30 is: 78,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,472.90 : 255,728.55 = 52,143.30 : x
  2. Step 2: Convert to fraction form
    170,472.90/255,728.55 = 52,143.30/x
  3. Step 3: Cross multiply
    170,472.90x = 255,728.55 × 52,143.30
  4. Step 4: Simplify right side
    170,472.90x = 13,334,530,501.22
  5. Step 5: Solve for x
    x = 13,334,530,501.22/170,472.90
  6. Step 6: Final answer
    x = 78,220.82

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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.