Home / 117,269.42-161,831.39-63,555.75

Finding the Fourth Proportional to 117,269.42, 161,831.39 and 63,555.75

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Solution

The fourth proportional to 117,269.42, 161,831.39 and 63,555.75 is: 87,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,269.42 : 161,831.39 = 63,555.75 : x
  2. Step 2: Convert to fraction form
    117,269.42/161,831.39 = 63,555.75/x
  3. Step 3: Cross multiply
    117,269.42x = 161,831.39 × 63,555.75
  4. Step 4: Simplify right side
    117,269.42x = 10,285,315,047.21
  5. Step 5: Solve for x
    x = 10,285,315,047.21/117,269.42
  6. Step 6: Final answer
    x = 87,706.71

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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.