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Finding the Fourth Proportional to 185,168.72, 255,430.52 and 150,750.48

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Solution

The fourth proportional to 185,168.72, 255,430.52 and 150,750.48 is: 207,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,168.72 : 255,430.52 = 150,750.48 : x
  2. Step 2: Convert to fraction form
    185,168.72/255,430.52 = 150,750.48/x
  3. Step 3: Cross multiply
    185,168.72x = 255,430.52 × 150,750.48
  4. Step 4: Simplify right side
    185,168.72x = 38,506,273,496.65
  5. Step 5: Solve for x
    x = 38,506,273,496.65/185,168.72
  6. Step 6: Final answer
    x = 207,952.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.