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Finding the Fourth Proportional to 101,818.68, 152,525.04 and 79,527.72

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Solution

The fourth proportional to 101,818.68, 152,525.04 and 79,527.72 is: 119,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,818.68 : 152,525.04 = 79,527.72 : x
  2. Step 2: Convert to fraction form
    101,818.68/152,525.04 = 79,527.72/x
  3. Step 3: Cross multiply
    101,818.68x = 152,525.04 × 79,527.72
  4. Step 4: Simplify right side
    101,818.68x = 12,129,968,674.11
  5. Step 5: Solve for x
    x = 12,129,968,674.11/101,818.68
  6. Step 6: Final answer
    x = 119,133.04

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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.