Home / 151,868.16-209,580.32-88,206

Finding the Fourth Proportional to 151,868.16, 209,580.32 and 88,206

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Solution

The fourth proportional to 151,868.16, 209,580.32 and 88,206 is: 121,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,868.16 : 209,580.32 = 88,206 : x
  2. Step 2: Convert to fraction form
    151,868.16/209,580.32 = 88,206/x
  3. Step 3: Cross multiply
    151,868.16x = 209,580.32 × 88,206
  4. Step 4: Simplify right side
    151,868.16x = 18,486,241,705.92
  5. Step 5: Solve for x
    x = 18,486,241,705.92/151,868.16
  6. Step 6: Final answer
    x = 121,725.59

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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.