Home / 119,514.08-164,998.08-79,282.40

Finding the Fourth Proportional to 119,514.08, 164,998.08 and 79,282.40

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Solution

The fourth proportional to 119,514.08, 164,998.08 and 79,282.40 is: 109,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,514.08 : 164,998.08 = 79,282.40 : x
  2. Step 2: Convert to fraction form
    119,514.08/164,998.08 = 79,282.40/x
  3. Step 3: Cross multiply
    119,514.08x = 164,998.08 × 79,282.40
  4. Step 4: Simplify right side
    119,514.08x = 13,081,443,777.79
  5. Step 5: Solve for x
    x = 13,081,443,777.79/119,514.08
  6. Step 6: Final answer
    x = 109,455.25

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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.