Home / 126,339.86-174,350.31-69,751.10

Finding the Fourth Proportional to 126,339.86, 174,350.31 and 69,751.10

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Solution

The fourth proportional to 126,339.86, 174,350.31 and 69,751.10 is: 96,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,339.86 : 174,350.31 = 69,751.10 : x
  2. Step 2: Convert to fraction form
    126,339.86/174,350.31 = 69,751.10/x
  3. Step 3: Cross multiply
    126,339.86x = 174,350.31 × 69,751.10
  4. Step 4: Simplify right side
    126,339.86x = 12,161,125,907.84
  5. Step 5: Solve for x
    x = 12,161,125,907.84/126,339.86
  6. Step 6: Final answer
    x = 96,257.24

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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.