Home / 126,690.34-174,804.90-75,695.41

Finding the Fourth Proportional to 126,690.34, 174,804.90 and 75,695.41

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Solution

The fourth proportional to 126,690.34, 174,804.90 and 75,695.41 is: 104,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,690.34 : 174,804.90 = 75,695.41 : x
  2. Step 2: Convert to fraction form
    126,690.34/174,804.90 = 75,695.41/x
  3. Step 3: Cross multiply
    126,690.34x = 174,804.90 × 75,695.41
  4. Step 4: Simplify right side
    126,690.34x = 13,231,928,575.51
  5. Step 5: Solve for x
    x = 13,231,928,575.51/126,690.34
  6. Step 6: Final answer
    x = 104,443.07

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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.