Home / 154,141.74-212,690.88-93,680.10

Finding the Fourth Proportional to 154,141.74, 212,690.88 and 93,680.10

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Solution

The fourth proportional to 154,141.74, 212,690.88 and 93,680.10 is: 129,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,141.74 : 212,690.88 = 93,680.10 : x
  2. Step 2: Convert to fraction form
    154,141.74/212,690.88 = 93,680.10/x
  3. Step 3: Cross multiply
    154,141.74x = 212,690.88 × 93,680.10
  4. Step 4: Simplify right side
    154,141.74x = 19,924,902,907.49
  5. Step 5: Solve for x
    x = 19,924,902,907.49/154,141.74
  6. Step 6: Final answer
    x = 129,263.51

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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.