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Finding the Fourth Proportional to 158,065.68, 237,120.30 and 64,549.56

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Solution

The fourth proportional to 158,065.68, 237,120.30 and 64,549.56 is: 96,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,065.68 : 237,120.30 = 64,549.56 : x
  2. Step 2: Convert to fraction form
    158,065.68/237,120.30 = 64,549.56/x
  3. Step 3: Cross multiply
    158,065.68x = 237,120.30 × 64,549.56
  4. Step 4: Simplify right side
    158,065.68x = 15,306,011,032.07
  5. Step 5: Solve for x
    x = 15,306,011,032.07/158,065.68
  6. Step 6: Final answer
    x = 96,833.23

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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.