Home / 152,039.73-209,780.03-90,774.02

Finding the Fourth Proportional to 152,039.73, 209,780.03 and 90,774.02

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Solution

The fourth proportional to 152,039.73, 209,780.03 and 90,774.02 is: 125,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,039.73 : 209,780.03 = 90,774.02 : x
  2. Step 2: Convert to fraction form
    152,039.73/209,780.03 = 90,774.02/x
  3. Step 3: Cross multiply
    152,039.73x = 209,780.03 × 90,774.02
  4. Step 4: Simplify right side
    152,039.73x = 19,042,575,555.98
  5. Step 5: Solve for x
    x = 19,042,575,555.98/152,039.73
  6. Step 6: Final answer
    x = 125,247.37

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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.