Home / 98,227.65-135,555.10-55,786.49

Finding the Fourth Proportional to 98,227.65, 135,555.10 and 55,786.49

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Solution

The fourth proportional to 98,227.65, 135,555.10 and 55,786.49 is: 76,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,227.65 : 135,555.10 = 55,786.49 : x
  2. Step 2: Convert to fraction form
    98,227.65/135,555.10 = 55,786.49/x
  3. Step 3: Cross multiply
    98,227.65x = 135,555.10 × 55,786.49
  4. Step 4: Simplify right side
    98,227.65x = 7,562,142,552.82
  5. Step 5: Solve for x
    x = 7,562,142,552.82/98,227.65
  6. Step 6: Final answer
    x = 76,985.88

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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.