Home / 165,984.80-248,977.20-153,154.40

Finding the Fourth Proportional to 165,984.80, 248,977.20 and 153,154.40

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Solution

The fourth proportional to 165,984.80, 248,977.20 and 153,154.40 is: 229,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,984.80 : 248,977.20 = 153,154.40 : x
  2. Step 2: Convert to fraction form
    165,984.80/248,977.20 = 153,154.40/x
  3. Step 3: Cross multiply
    165,984.80x = 248,977.20 × 153,154.40
  4. Step 4: Simplify right side
    165,984.80x = 38,131,953,679.68
  5. Step 5: Solve for x
    x = 38,131,953,679.68/165,984.80
  6. Step 6: Final answer
    x = 229,731.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.