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Finding the Fourth Proportional to 159,432.66, 239,182.73 and 52,810.58

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Solution

The fourth proportional to 159,432.66, 239,182.73 and 52,810.58 is: 79,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,432.66 : 239,182.73 = 52,810.58 : x
  2. Step 2: Convert to fraction form
    159,432.66/239,182.73 = 52,810.58/x
  3. Step 3: Cross multiply
    159,432.66x = 239,182.73 × 52,810.58
  4. Step 4: Simplify right side
    159,432.66x = 12,631,379,031.19
  5. Step 5: Solve for x
    x = 12,631,379,031.19/159,432.66
  6. Step 6: Final answer
    x = 79,227.05

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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.