Home / 150,831.96-208,001.61-101,881.23

Finding the Fourth Proportional to 150,831.96, 208,001.61 and 101,881.23

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Solution

The fourth proportional to 150,831.96, 208,001.61 and 101,881.23 is: 140,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,831.96 : 208,001.61 = 101,881.23 : x
  2. Step 2: Convert to fraction form
    150,831.96/208,001.61 = 101,881.23/x
  3. Step 3: Cross multiply
    150,831.96x = 208,001.61 × 101,881.23
  4. Step 4: Simplify right side
    150,831.96x = 21,191,459,868.78
  5. Step 5: Solve for x
    x = 21,191,459,868.78/150,831.96
  6. Step 6: Final answer
    x = 140,497.15

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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.