Home / 154,938.24-213,849.36-98,339.04

Finding the Fourth Proportional to 154,938.24, 213,849.36 and 98,339.04

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Solution

The fourth proportional to 154,938.24, 213,849.36 and 98,339.04 is: 135,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,938.24 : 213,849.36 = 98,339.04 : x
  2. Step 2: Convert to fraction form
    154,938.24/213,849.36 = 98,339.04/x
  3. Step 3: Cross multiply
    154,938.24x = 213,849.36 × 98,339.04
  4. Step 4: Simplify right side
    154,938.24x = 21,029,740,767.01
  5. Step 5: Solve for x
    x = 21,029,740,767.01/154,938.24
  6. Step 6: Final answer
    x = 135,729.83

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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.