Home / 169,148.79-253,679.45-80,225.37

Finding the Fourth Proportional to 169,148.79, 253,679.45 and 80,225.37

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Solution

The fourth proportional to 169,148.79, 253,679.45 and 80,225.37 is: 120,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,148.79 : 253,679.45 = 80,225.37 : x
  2. Step 2: Convert to fraction form
    169,148.79/253,679.45 = 80,225.37/x
  3. Step 3: Cross multiply
    169,148.79x = 253,679.45 × 80,225.37
  4. Step 4: Simplify right side
    169,148.79x = 20,351,527,336.52
  5. Step 5: Solve for x
    x = 20,351,527,336.52/169,148.79
  6. Step 6: Final answer
    x = 120,317.31

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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.