Home / 207,561.56-286,441.98-122,751.32

Finding the Fourth Proportional to 207,561.56, 286,441.98 and 122,751.32

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Solution

The fourth proportional to 207,561.56, 286,441.98 and 122,751.32 is: 169,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,561.56 : 286,441.98 = 122,751.32 : x
  2. Step 2: Convert to fraction form
    207,561.56/286,441.98 = 122,751.32/x
  3. Step 3: Cross multiply
    207,561.56x = 286,441.98 × 122,751.32
  4. Step 4: Simplify right side
    207,561.56x = 35,161,131,148.41
  5. Step 5: Solve for x
    x = 35,161,131,148.41/207,561.56
  6. Step 6: Final answer
    x = 169,400.98

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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.