Home / 154,185.17-212,763.80-93,747.43

Finding the Fourth Proportional to 154,185.17, 212,763.80 and 93,747.43

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Solution

The fourth proportional to 154,185.17, 212,763.80 and 93,747.43 is: 129,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,185.17 : 212,763.80 = 93,747.43 : x
  2. Step 2: Convert to fraction form
    154,185.17/212,763.80 = 93,747.43/x
  3. Step 3: Cross multiply
    154,185.17x = 212,763.80 × 93,747.43
  4. Step 4: Simplify right side
    154,185.17x = 19,946,057,914.48
  5. Step 5: Solve for x
    x = 19,946,057,914.48/154,185.17
  6. Step 6: Final answer
    x = 129,364.31

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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.