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Finding the Fourth Proportional to 169,527.51, 254,339.37 and 138,233.55

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Solution

The fourth proportional to 169,527.51, 254,339.37 and 138,233.55 is: 207,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,527.51 : 254,339.37 = 138,233.55 : x
  2. Step 2: Convert to fraction form
    169,527.51/254,339.37 = 138,233.55/x
  3. Step 3: Cross multiply
    169,527.51x = 254,339.37 × 138,233.55
  4. Step 4: Simplify right side
    169,527.51x = 35,158,234,019.86
  5. Step 5: Solve for x
    x = 35,158,234,019.86/169,527.51
  6. Step 6: Final answer
    x = 207,389.55

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1.5x scale

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.