Home / 135,690.06-187,252.32-75,258.66

Finding the Fourth Proportional to 135,690.06, 187,252.32 and 75,258.66

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Solution

The fourth proportional to 135,690.06, 187,252.32 and 75,258.66 is: 103,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,690.06 : 187,252.32 = 75,258.66 : x
  2. Step 2: Convert to fraction form
    135,690.06/187,252.32 = 75,258.66/x
  3. Step 3: Cross multiply
    135,690.06x = 187,252.32 × 75,258.66
  4. Step 4: Simplify right side
    135,690.06x = 14,092,358,685.09
  5. Step 5: Solve for x
    x = 14,092,358,685.09/135,690.06
  6. Step 6: Final answer
    x = 103,856.97

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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.