Home / 165,582.12-248,398.02-76,844.73

Finding the Fourth Proportional to 165,582.12, 248,398.02 and 76,844.73

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Solution

The fourth proportional to 165,582.12, 248,398.02 and 76,844.73 is: 115,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,582.12 : 248,398.02 = 76,844.73 : x
  2. Step 2: Convert to fraction form
    165,582.12/248,398.02 = 76,844.73/x
  3. Step 3: Cross multiply
    165,582.12x = 248,398.02 × 76,844.73
  4. Step 4: Simplify right side
    165,582.12x = 19,088,078,779.43
  5. Step 5: Solve for x
    x = 19,088,078,779.43/165,582.12
  6. Step 6: Final answer
    x = 115,278.62

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1.5x scale

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.