Home / 135,541.95-187,048.97-75,113.60

Finding the Fourth Proportional to 135,541.95, 187,048.97 and 75,113.60

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Solution

The fourth proportional to 135,541.95, 187,048.97 and 75,113.60 is: 103,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,541.95 : 187,048.97 = 75,113.60 : x
  2. Step 2: Convert to fraction form
    135,541.95/187,048.97 = 75,113.60/x
  3. Step 3: Cross multiply
    135,541.95x = 187,048.97 × 75,113.60
  4. Step 4: Simplify right side
    135,541.95x = 14,049,921,081.73
  5. Step 5: Solve for x
    x = 14,049,921,081.73/135,541.95
  6. Step 6: Final answer
    x = 103,657.36

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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.