Home / 135,924.17-204,010.81-72,815.55

Finding the Fourth Proportional to 135,924.17, 204,010.81 and 72,815.55

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Solution

The fourth proportional to 135,924.17, 204,010.81 and 72,815.55 is: 109,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,924.17 : 204,010.81 = 72,815.55 : x
  2. Step 2: Convert to fraction form
    135,924.17/204,010.81 = 72,815.55/x
  3. Step 3: Cross multiply
    135,924.17x = 204,010.81 × 72,815.55
  4. Step 4: Simplify right side
    135,924.17x = 14,855,159,154.06
  5. Step 5: Solve for x
    x = 14,855,159,154.06/135,924.17
  6. Step 6: Final answer
    x = 109,290.05

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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.