Home / 135,709.14-187,281.62-75,277.82

Finding the Fourth Proportional to 135,709.14, 187,281.62 and 75,277.82

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Solution

The fourth proportional to 135,709.14, 187,281.62 and 75,277.82 is: 103,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,709.14 : 187,281.62 = 75,277.82 : x
  2. Step 2: Convert to fraction form
    135,709.14/187,281.62 = 75,277.82/x
  3. Step 3: Cross multiply
    135,709.14x = 187,281.62 × 75,277.82
  4. Step 4: Simplify right side
    135,709.14x = 14,098,152,079.67
  5. Step 5: Solve for x
    x = 14,098,152,079.67/135,709.14
  6. Step 6: Final answer
    x = 103,885.06

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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.