Home / 150,740.28-208,011.18-83,667

Finding the Fourth Proportional to 150,740.28, 208,011.18 and 83,667

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Solution

The fourth proportional to 150,740.28, 208,011.18 and 83,667 is: 115,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,740.28 : 208,011.18 = 83,667 : x
  2. Step 2: Convert to fraction form
    150,740.28/208,011.18 = 83,667/x
  3. Step 3: Cross multiply
    150,740.28x = 208,011.18 × 83,667
  4. Step 4: Simplify right side
    150,740.28x = 17,403,671,397.06
  5. Step 5: Solve for x
    x = 17,403,671,397.06/150,740.28
  6. Step 6: Final answer
    x = 115,454.68

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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.