Home / 135,667.07-187,220.55-75,246.96

Finding the Fourth Proportional to 135,667.07, 187,220.55 and 75,246.96

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Solution

The fourth proportional to 135,667.07, 187,220.55 and 75,246.96 is: 103,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,667.07 : 187,220.55 = 75,246.96 : x
  2. Step 2: Convert to fraction form
    135,667.07/187,220.55 = 75,246.96/x
  3. Step 3: Cross multiply
    135,667.07x = 187,220.55 × 75,246.96
  4. Step 4: Simplify right side
    135,667.07x = 14,087,776,860.79
  5. Step 5: Solve for x
    x = 14,087,776,860.79/135,667.07
  6. Step 6: Final answer
    x = 103,840.80

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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.