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Finding the Fourth Proportional to 157,594.84, 236,436 and 87,523.36

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Solution

The fourth proportional to 157,594.84, 236,436 and 87,523.36 is: 131,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,594.84 : 236,436 = 87,523.36 : x
  2. Step 2: Convert to fraction form
    157,594.84/236,436 = 87,523.36/x
  3. Step 3: Cross multiply
    157,594.84x = 236,436 × 87,523.36
  4. Step 4: Simplify right side
    157,594.84x = 20,693,673,144.96
  5. Step 5: Solve for x
    x = 20,693,673,144.96/157,594.84
  6. Step 6: Final answer
    x = 131,309.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.