Home / 98,828.34-148,301.56-90,788.62

Finding the Fourth Proportional to 98,828.34, 148,301.56 and 90,788.62

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Solution

The fourth proportional to 98,828.34, 148,301.56 and 90,788.62 is: 136,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.34 : 148,301.56 = 90,788.62 : x
  2. Step 2: Convert to fraction form
    98,828.34/148,301.56 = 90,788.62/x
  3. Step 3: Cross multiply
    98,828.34x = 148,301.56 × 90,788.62
  4. Step 4: Simplify right side
    98,828.34x = 13,464,093,976.25
  5. Step 5: Solve for x
    x = 13,464,093,976.25/98,828.34
  6. Step 6: Final answer
    x = 136,237.18

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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.