Home / 151,022.24-208,415.22-83,035.70

Finding the Fourth Proportional to 151,022.24, 208,415.22 and 83,035.70

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Solution

The fourth proportional to 151,022.24, 208,415.22 and 83,035.70 is: 114,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,022.24 : 208,415.22 = 83,035.70 : x
  2. Step 2: Convert to fraction form
    151,022.24/208,415.22 = 83,035.70/x
  3. Step 3: Cross multiply
    151,022.24x = 208,415.22 × 83,035.70
  4. Step 4: Simplify right side
    151,022.24x = 17,305,902,641.28
  5. Step 5: Solve for x
    x = 17,305,902,641.28/151,022.24
  6. Step 6: Final answer
    x = 114,591.75

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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.