Home / 165,709.80-248,564.70-152,879.40

Finding the Fourth Proportional to 165,709.80, 248,564.70 and 152,879.40

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Solution

The fourth proportional to 165,709.80, 248,564.70 and 152,879.40 is: 229,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,709.80 : 248,564.70 = 152,879.40 : x
  2. Step 2: Convert to fraction form
    165,709.80/248,564.70 = 152,879.40/x
  3. Step 3: Cross multiply
    165,709.80x = 248,564.70 × 152,879.40
  4. Step 4: Simplify right side
    165,709.80x = 38,000,422,197.18
  5. Step 5: Solve for x
    x = 38,000,422,197.18/165,709.80
  6. Step 6: Final answer
    x = 229,319.10

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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.