Home / 154,680.12-213,561.36-118,805.94

Finding the Fourth Proportional to 154,680.12, 213,561.36 and 118,805.94

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Solution

The fourth proportional to 154,680.12, 213,561.36 and 118,805.94 is: 164,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,680.12 : 213,561.36 = 118,805.94 : x
  2. Step 2: Convert to fraction form
    154,680.12/213,561.36 = 118,805.94/x
  3. Step 3: Cross multiply
    154,680.12x = 213,561.36 × 118,805.94
  4. Step 4: Simplify right side
    154,680.12x = 25,372,358,122.48
  5. Step 5: Solve for x
    x = 25,372,358,122.48/154,680.12
  6. Step 6: Final answer
    x = 164,031.15

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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.