Home / 135,953.28-203,929.92-52,866.72

Finding the Fourth Proportional to 135,953.28, 203,929.92 and 52,866.72

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Solution

The fourth proportional to 135,953.28, 203,929.92 and 52,866.72 is: 79,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,953.28 : 203,929.92 = 52,866.72 : x
  2. Step 2: Convert to fraction form
    135,953.28/203,929.92 = 52,866.72/x
  3. Step 3: Cross multiply
    135,953.28x = 203,929.92 × 52,866.72
  4. Step 4: Simplify right side
    135,953.28x = 10,781,105,980.26
  5. Step 5: Solve for x
    x = 10,781,105,980.26/135,953.28
  6. Step 6: Final answer
    x = 79,300.08

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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.