Home / 154,608.33-213,265.18-102,220.11

Finding the Fourth Proportional to 154,608.33, 213,265.18 and 102,220.11

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Solution

The fourth proportional to 154,608.33, 213,265.18 and 102,220.11 is: 141,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,608.33 : 213,265.18 = 102,220.11 : x
  2. Step 2: Convert to fraction form
    154,608.33/213,265.18 = 102,220.11/x
  3. Step 3: Cross multiply
    154,608.33x = 213,265.18 × 102,220.11
  4. Step 4: Simplify right side
    154,608.33x = 21,799,989,647.67
  5. Step 5: Solve for x
    x = 21,799,989,647.67/154,608.33
  6. Step 6: Final answer
    x = 141,001.40

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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.