Home / 91,313.16-137,000.49-57,539.95

Finding the Fourth Proportional to 91,313.16, 137,000.49 and 57,539.95

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Solution

The fourth proportional to 91,313.16, 137,000.49 and 57,539.95 is: 86,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,313.16 : 137,000.49 = 57,539.95 : x
  2. Step 2: Convert to fraction form
    91,313.16/137,000.49 = 57,539.95/x
  3. Step 3: Cross multiply
    91,313.16x = 137,000.49 × 57,539.95
  4. Step 4: Simplify right side
    91,313.16x = 7,883,000,786.30
  5. Step 5: Solve for x
    x = 7,883,000,786.30/91,313.16
  6. Step 6: Final answer
    x = 86,329.30

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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.