Home / 135,822.57-187,447.01-79,252.17

Finding the Fourth Proportional to 135,822.57, 187,447.01 and 79,252.17

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Solution

The fourth proportional to 135,822.57, 187,447.01 and 79,252.17 is: 109,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,822.57 : 187,447.01 = 79,252.17 : x
  2. Step 2: Convert to fraction form
    135,822.57/187,447.01 = 79,252.17/x
  3. Step 3: Cross multiply
    135,822.57x = 187,447.01 × 79,252.17
  4. Step 4: Simplify right side
    135,822.57x = 14,855,582,500.64
  5. Step 5: Solve for x
    x = 14,855,582,500.64/135,822.57
  6. Step 6: Final answer
    x = 109,374.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.