Home / 169,530.90-254,321.88-51,211.80

Finding the Fourth Proportional to 169,530.90, 254,321.88 and 51,211.80

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Solution

The fourth proportional to 169,530.90, 254,321.88 and 51,211.80 is: 76,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,530.90 : 254,321.88 = 51,211.80 : x
  2. Step 2: Convert to fraction form
    169,530.90/254,321.88 = 51,211.80/x
  3. Step 3: Cross multiply
    169,530.90x = 254,321.88 × 51,211.80
  4. Step 4: Simplify right side
    169,530.90x = 13,024,281,254.18
  5. Step 5: Solve for x
    x = 13,024,281,254.18/169,530.90
  6. Step 6: Final answer
    x = 76,825.41

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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.