Home / 150,671.12-208,003.56-106,157.84

Finding the Fourth Proportional to 150,671.12, 208,003.56 and 106,157.84

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Solution

The fourth proportional to 150,671.12, 208,003.56 and 106,157.84 is: 146,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,671.12 : 208,003.56 = 106,157.84 : x
  2. Step 2: Convert to fraction form
    150,671.12/208,003.56 = 106,157.84/x
  3. Step 3: Cross multiply
    150,671.12x = 208,003.56 × 106,157.84
  4. Step 4: Simplify right side
    150,671.12x = 22,081,208,641.91
  5. Step 5: Solve for x
    x = 22,081,208,641.91/150,671.12
  6. Step 6: Final answer
    x = 146,552.36

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1.5x scale

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.