Home / 111,730.26-154,190.80-60,746.42

Finding the Fourth Proportional to 111,730.26, 154,190.80 and 60,746.42

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Solution

The fourth proportional to 111,730.26, 154,190.80 and 60,746.42 is: 83,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,730.26 : 154,190.80 = 60,746.42 : x
  2. Step 2: Convert to fraction form
    111,730.26/154,190.80 = 60,746.42/x
  3. Step 3: Cross multiply
    111,730.26x = 154,190.80 × 60,746.42
  4. Step 4: Simplify right side
    111,730.26x = 9,366,539,096.94
  5. Step 5: Solve for x
    x = 9,366,539,096.94/111,730.26
  6. Step 6: Final answer
    x = 83,831.71

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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.