Home / 107,219.25-160,835.76-28,331.46

Finding the Fourth Proportional to 107,219.25, 160,835.76 and 28,331.46

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Solution

The fourth proportional to 107,219.25, 160,835.76 and 28,331.46 is: 42,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,219.25 : 160,835.76 = 28,331.46 : x
  2. Step 2: Convert to fraction form
    107,219.25/160,835.76 = 28,331.46/x
  3. Step 3: Cross multiply
    107,219.25x = 160,835.76 × 28,331.46
  4. Step 4: Simplify right side
    107,219.25x = 4,556,711,901.01
  5. Step 5: Solve for x
    x = 4,556,711,901.01/107,219.25
  6. Step 6: Final answer
    x = 42,499.01

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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.