Home / 169,557.60-254,336.40-51,247.20

Finding the Fourth Proportional to 169,557.60, 254,336.40 and 51,247.20

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Solution

The fourth proportional to 169,557.60, 254,336.40 and 51,247.20 is: 76,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,557.60 : 254,336.40 = 51,247.20 : x
  2. Step 2: Convert to fraction form
    169,557.60/254,336.40 = 51,247.20/x
  3. Step 3: Cross multiply
    169,557.60x = 254,336.40 × 51,247.20
  4. Step 4: Simplify right side
    169,557.60x = 13,034,028,358.08
  5. Step 5: Solve for x
    x = 13,034,028,358.08/169,557.60
  6. Step 6: Final answer
    x = 76,870.80

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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.