Home / 151,122.89-208,545.39-82,210.07

Finding the Fourth Proportional to 151,122.89, 208,545.39 and 82,210.07

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Solution

The fourth proportional to 151,122.89, 208,545.39 and 82,210.07 is: 113,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,122.89 : 208,545.39 = 82,210.07 : x
  2. Step 2: Convert to fraction form
    151,122.89/208,545.39 = 82,210.07/x
  3. Step 3: Cross multiply
    151,122.89x = 208,545.39 × 82,210.07
  4. Step 4: Simplify right side
    151,122.89x = 17,144,531,110.08
  5. Step 5: Solve for x
    x = 17,144,531,110.08/151,122.89
  6. Step 6: Final answer
    x = 113,447.61

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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.