Home / 140,623.52-210,957.28-45,831.74

Finding the Fourth Proportional to 140,623.52, 210,957.28 and 45,831.74

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Solution

The fourth proportional to 140,623.52, 210,957.28 and 45,831.74 is: 68,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,623.52 : 210,957.28 = 45,831.74 : x
  2. Step 2: Convert to fraction form
    140,623.52/210,957.28 = 45,831.74/x
  3. Step 3: Cross multiply
    140,623.52x = 210,957.28 × 45,831.74
  4. Step 4: Simplify right side
    140,623.52x = 9,668,539,208.07
  5. Step 5: Solve for x
    x = 9,668,539,208.07/140,623.52
  6. Step 6: Final answer
    x = 68,754.78

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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.