Home / 144,837.20-217,277.40-51,335.60

Finding the Fourth Proportional to 144,837.20, 217,277.40 and 51,335.60

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Solution

The fourth proportional to 144,837.20, 217,277.40 and 51,335.60 is: 77,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,837.20 : 217,277.40 = 51,335.60 : x
  2. Step 2: Convert to fraction form
    144,837.20/217,277.40 = 51,335.60/x
  3. Step 3: Cross multiply
    144,837.20x = 217,277.40 × 51,335.60
  4. Step 4: Simplify right side
    144,837.20x = 11,154,065,695.44
  5. Step 5: Solve for x
    x = 11,154,065,695.44/144,837.20
  6. Step 6: Final answer
    x = 77,011.06

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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.