Home / 91,661.96-137,490.42-29,331.56

Finding the Fourth Proportional to 91,661.96, 137,490.42 and 29,331.56

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Solution

The fourth proportional to 91,661.96, 137,490.42 and 29,331.56 is: 43,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,661.96 : 137,490.42 = 29,331.56 : x
  2. Step 2: Convert to fraction form
    91,661.96/137,490.42 = 29,331.56/x
  3. Step 3: Cross multiply
    91,661.96x = 137,490.42 × 29,331.56
  4. Step 4: Simplify right side
    91,661.96x = 4,032,808,503.66
  5. Step 5: Solve for x
    x = 4,032,808,503.66/91,661.96
  6. Step 6: Final answer
    x = 43,996.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.