Home / 140,623.44-210,957.16-45,831.61

Finding the Fourth Proportional to 140,623.44, 210,957.16 and 45,831.61

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Solution

The fourth proportional to 140,623.44, 210,957.16 and 45,831.61 is: 68,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,623.44 : 210,957.16 = 45,831.61 : x
  2. Step 2: Convert to fraction form
    140,623.44/210,957.16 = 45,831.61/x
  3. Step 3: Cross multiply
    140,623.44x = 210,957.16 × 45,831.61
  4. Step 4: Simplify right side
    140,623.44x = 9,668,505,332.25
  5. Step 5: Solve for x
    x = 9,668,505,332.25/140,623.44
  6. Step 6: Final answer
    x = 68,754.58

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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.