Home / 102,314.25-141,216.71-66,544.65

Finding the Fourth Proportional to 102,314.25, 141,216.71 and 66,544.65

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Solution

The fourth proportional to 102,314.25, 141,216.71 and 66,544.65 is: 91,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,314.25 : 141,216.71 = 66,544.65 : x
  2. Step 2: Convert to fraction form
    102,314.25/141,216.71 = 66,544.65/x
  3. Step 3: Cross multiply
    102,314.25x = 141,216.71 × 66,544.65
  4. Step 4: Simplify right side
    102,314.25x = 9,397,216,208.38
  5. Step 5: Solve for x
    x = 9,397,216,208.38/102,314.25
  6. Step 6: Final answer
    x = 91,846.60

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1.5x scale

Why These Related Problems?

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