Home / 91,368.73-137,039.19-32,190.52

Finding the Fourth Proportional to 91,368.73, 137,039.19 and 32,190.52

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Solution

The fourth proportional to 91,368.73, 137,039.19 and 32,190.52 is: 48,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,368.73 : 137,039.19 = 32,190.52 : x
  2. Step 2: Convert to fraction form
    91,368.73/137,039.19 = 32,190.52/x
  3. Step 3: Cross multiply
    91,368.73x = 137,039.19 × 32,190.52
  4. Step 4: Simplify right side
    91,368.73x = 4,411,362,786.48
  5. Step 5: Solve for x
    x = 4,411,362,786.48/91,368.73
  6. Step 6: Final answer
    x = 48,280.88

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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.