Home / 135,572.76-187,091.73-75,144.69

Finding the Fourth Proportional to 135,572.76, 187,091.73 and 75,144.69

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Solution

The fourth proportional to 135,572.76, 187,091.73 and 75,144.69 is: 103,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,572.76 : 187,091.73 = 75,144.69 : x
  2. Step 2: Convert to fraction form
    135,572.76/187,091.73 = 75,144.69/x
  3. Step 3: Cross multiply
    135,572.76x = 187,091.73 × 75,144.69
  4. Step 4: Simplify right side
    135,572.76x = 14,058,950,052.41
  5. Step 5: Solve for x
    x = 14,058,950,052.41/135,572.76
  6. Step 6: Final answer
    x = 103,700.40

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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.