Home / 72,252.31-108,238.24-53,242.45

Finding the Fourth Proportional to 72,252.31, 108,238.24 and 53,242.45

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Solution

The fourth proportional to 72,252.31, 108,238.24 and 53,242.45 is: 79,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,252.31 : 108,238.24 = 53,242.45 : x
  2. Step 2: Convert to fraction form
    72,252.31/108,238.24 = 53,242.45/x
  3. Step 3: Cross multiply
    72,252.31x = 108,238.24 × 53,242.45
  4. Step 4: Simplify right side
    72,252.31x = 5,762,869,081.29
  5. Step 5: Solve for x
    x = 5,762,869,081.29/72,252.31
  6. Step 6: Final answer
    x = 79,760.34

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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.