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Finding the Fourth Proportional to 107,474.35, 160,828.80 and 93,586.90

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Solution

The fourth proportional to 107,474.35, 160,828.80 and 93,586.90 is: 140,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,474.35 : 160,828.80 = 93,586.90 : x
  2. Step 2: Convert to fraction form
    107,474.35/160,828.80 = 93,586.90/x
  3. Step 3: Cross multiply
    107,474.35x = 160,828.80 × 93,586.90
  4. Step 4: Simplify right side
    107,474.35x = 15,051,468,822.72
  5. Step 5: Solve for x
    x = 15,051,468,822.72/107,474.35
  6. Step 6: Final answer
    x = 140,047.08

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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.