Home / 91,870.37-137,718.07-29,497.13

Finding the Fourth Proportional to 91,870.37, 137,718.07 and 29,497.13

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Solution

The fourth proportional to 91,870.37, 137,718.07 and 29,497.13 is: 44,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,870.37 : 137,718.07 = 29,497.13 : x
  2. Step 2: Convert to fraction form
    91,870.37/137,718.07 = 29,497.13/x
  3. Step 3: Cross multiply
    91,870.37x = 137,718.07 × 29,497.13
  4. Step 4: Simplify right side
    91,870.37x = 4,062,287,814.14
  5. Step 5: Solve for x
    x = 4,062,287,814.14/91,870.37
  6. Step 6: Final answer
    x = 44,217.61

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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.