Home / 100,677.08-151,016.10-30,557

Finding the Fourth Proportional to 100,677.08, 151,016.10 and 30,557

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Solution

The fourth proportional to 100,677.08, 151,016.10 and 30,557 is: 45,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,677.08 : 151,016.10 = 30,557 : x
  2. Step 2: Convert to fraction form
    100,677.08/151,016.10 = 30,557/x
  3. Step 3: Cross multiply
    100,677.08x = 151,016.10 × 30,557
  4. Step 4: Simplify right side
    100,677.08x = 4,614,598,967.70
  5. Step 5: Solve for x
    x = 4,614,598,967.70/100,677.08
  6. Step 6: Final answer
    x = 45,835.65

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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.