Home / 120,834.23-166,831.88-75,576.29

Finding the Fourth Proportional to 120,834.23, 166,831.88 and 75,576.29

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Solution

The fourth proportional to 120,834.23, 166,831.88 and 75,576.29 is: 104,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.23 : 166,831.88 = 75,576.29 : x
  2. Step 2: Convert to fraction form
    120,834.23/166,831.88 = 75,576.29/x
  3. Step 3: Cross multiply
    120,834.23x = 166,831.88 × 75,576.29
  4. Step 4: Simplify right side
    120,834.23x = 12,608,533,332.08
  5. Step 5: Solve for x
    x = 12,608,533,332.08/120,834.23
  6. Step 6: Final answer
    x = 104,345.71

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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.