Home / 126,315.41-174,315.29-69,726.78

Finding the Fourth Proportional to 126,315.41, 174,315.29 and 69,726.78

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Solution

The fourth proportional to 126,315.41, 174,315.29 and 69,726.78 is: 96,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,315.41 : 174,315.29 = 69,726.78 : x
  2. Step 2: Convert to fraction form
    126,315.41/174,315.29 = 69,726.78/x
  3. Step 3: Cross multiply
    126,315.41x = 174,315.29 × 69,726.78
  4. Step 4: Simplify right side
    126,315.41x = 12,154,443,527.83
  5. Step 5: Solve for x
    x = 12,154,443,527.83/126,315.41
  6. Step 6: Final answer
    x = 96,222.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.