Home / 165,670.20-248,537.70-65,813.40

Finding the Fourth Proportional to 165,670.20, 248,537.70 and 65,813.40

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Solution

The fourth proportional to 165,670.20, 248,537.70 and 65,813.40 is: 98,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,670.20 : 248,537.70 = 65,813.40 : x
  2. Step 2: Convert to fraction form
    165,670.20/248,537.70 = 65,813.40/x
  3. Step 3: Cross multiply
    165,670.20x = 248,537.70 × 65,813.40
  4. Step 4: Simplify right side
    165,670.20x = 16,357,111,065.18
  5. Step 5: Solve for x
    x = 16,357,111,065.18/165,670.20
  6. Step 6: Final answer
    x = 98,732.97

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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.