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Finding the Fourth Proportional to 152,333.33, 210,222.14 and 87,766.88

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Solution

The fourth proportional to 152,333.33, 210,222.14 and 87,766.88 is: 121,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,333.33 : 210,222.14 = 87,766.88 : x
  2. Step 2: Convert to fraction form
    152,333.33/210,222.14 = 87,766.88/x
  3. Step 3: Cross multiply
    152,333.33x = 210,222.14 × 87,766.88
  4. Step 4: Simplify right side
    152,333.33x = 18,450,539,844.78
  5. Step 5: Solve for x
    x = 18,450,539,844.78/152,333.33
  6. Step 6: Final answer
    x = 121,119.52

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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.