Home / 114,941.46-158,616.72-66,545.43

Finding the Fourth Proportional to 114,941.46, 158,616.72 and 66,545.43

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Solution

The fourth proportional to 114,941.46, 158,616.72 and 66,545.43 is: 91,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,941.46 : 158,616.72 = 66,545.43 : x
  2. Step 2: Convert to fraction form
    114,941.46/158,616.72 = 66,545.43/x
  3. Step 3: Cross multiply
    114,941.46x = 158,616.72 × 66,545.43
  4. Step 4: Simplify right side
    114,941.46x = 10,555,217,837.59
  5. Step 5: Solve for x
    x = 10,555,217,837.59/114,941.46
  6. Step 6: Final answer
    x = 91,831.25

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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.