Home / 140,831.34-211,099.38-65,888.31

Finding the Fourth Proportional to 140,831.34, 211,099.38 and 65,888.31

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Solution

The fourth proportional to 140,831.34, 211,099.38 and 65,888.31 is: 98,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,831.34 : 211,099.38 = 65,888.31 : x
  2. Step 2: Convert to fraction form
    140,831.34/211,099.38 = 65,888.31/x
  3. Step 3: Cross multiply
    140,831.34x = 211,099.38 × 65,888.31
  4. Step 4: Simplify right side
    140,831.34x = 13,908,981,390.25
  5. Step 5: Solve for x
    x = 13,908,981,390.25/140,831.34
  6. Step 6: Final answer
    x = 98,763.40

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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.