Home / 139,315.28-192,304.14-82,726.26

Finding the Fourth Proportional to 139,315.28, 192,304.14 and 82,726.26

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Solution

The fourth proportional to 139,315.28, 192,304.14 and 82,726.26 is: 114,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,315.28 : 192,304.14 = 82,726.26 : x
  2. Step 2: Convert to fraction form
    139,315.28/192,304.14 = 82,726.26/x
  3. Step 3: Cross multiply
    139,315.28x = 192,304.14 × 82,726.26
  4. Step 4: Simplify right side
    139,315.28x = 15,908,602,284.72
  5. Step 5: Solve for x
    x = 15,908,602,284.72/139,315.28
  6. Step 6: Final answer
    x = 114,191.37

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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.