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Finding the Fourth Proportional to 146,672.72, 220,007.23 and 46,831.65

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Solution

The fourth proportional to 146,672.72, 220,007.23 and 46,831.65 is: 70,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,672.72 : 220,007.23 = 46,831.65 : x
  2. Step 2: Convert to fraction form
    146,672.72/220,007.23 = 46,831.65/x
  3. Step 3: Cross multiply
    146,672.72x = 220,007.23 × 46,831.65
  4. Step 4: Simplify right side
    146,672.72x = 10,303,301,358.67
  5. Step 5: Solve for x
    x = 10,303,301,358.67/146,672.72
  6. Step 6: Final answer
    x = 70,246.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.