Home / 134,895.52-202,408.08-72,557.92

Finding the Fourth Proportional to 134,895.52, 202,408.08 and 72,557.92

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Solution

The fourth proportional to 134,895.52, 202,408.08 and 72,557.92 is: 108,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,895.52 : 202,408.08 = 72,557.92 : x
  2. Step 2: Convert to fraction form
    134,895.52/202,408.08 = 72,557.92/x
  3. Step 3: Cross multiply
    134,895.52x = 202,408.08 × 72,557.92
  4. Step 4: Simplify right side
    134,895.52x = 14,686,309,275.99
  5. Step 5: Solve for x
    x = 14,686,309,275.99/134,895.52
  6. Step 6: Final answer
    x = 108,871.73

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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.