Home / 135,707.06-187,258.83-75,269.48

Finding the Fourth Proportional to 135,707.06, 187,258.83 and 75,269.48

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Solution

The fourth proportional to 135,707.06, 187,258.83 and 75,269.48 is: 103,862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,707.06 : 187,258.83 = 75,269.48 : x
  2. Step 2: Convert to fraction form
    135,707.06/187,258.83 = 75,269.48/x
  3. Step 3: Cross multiply
    135,707.06x = 187,258.83 × 75,269.48
  4. Step 4: Simplify right side
    135,707.06x = 14,094,874,759.51
  5. Step 5: Solve for x
    x = 14,094,874,759.51/135,707.06
  6. Step 6: Final answer
    x = 103,862.50

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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.