Home / 135,680.09-187,250.00-75,270.18

Finding the Fourth Proportional to 135,680.09, 187,250.00 and 75,270.18

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Solution

The fourth proportional to 135,680.09, 187,250.00 and 75,270.18 is: 103,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,680.09 : 187,250.00 = 75,270.18 : x
  2. Step 2: Convert to fraction form
    135,680.09/187,250.00 = 75,270.18/x
  3. Step 3: Cross multiply
    135,680.09x = 187,250.00 × 75,270.18
  4. Step 4: Simplify right side
    135,680.09x = 14,094,340,828.65
  5. Step 5: Solve for x
    x = 14,094,340,828.65/135,680.09
  6. Step 6: Final answer
    x = 103,879.21

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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.