Home / 152,882.73-210,962.69-89,257.43

Finding the Fourth Proportional to 152,882.73, 210,962.69 and 89,257.43

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Solution

The fourth proportional to 152,882.73, 210,962.69 and 89,257.43 is: 123,166.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,882.73 : 210,962.69 = 89,257.43 : x
  2. Step 2: Convert to fraction form
    152,882.73/210,962.69 = 89,257.43/x
  3. Step 3: Cross multiply
    152,882.73x = 210,962.69 × 89,257.43
  4. Step 4: Simplify right side
    152,882.73x = 18,829,987,779.97
  5. Step 5: Solve for x
    x = 18,829,987,779.97/152,882.73
  6. Step 6: Final answer
    x = 123,166.22

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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.