Home / 119,849.40-165,389.34-66,134.52

Finding the Fourth Proportional to 119,849.40, 165,389.34 and 66,134.52

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Solution

The fourth proportional to 119,849.40, 165,389.34 and 66,134.52 is: 91,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,849.40 : 165,389.34 = 66,134.52 : x
  2. Step 2: Convert to fraction form
    119,849.40/165,389.34 = 66,134.52/x
  3. Step 3: Cross multiply
    119,849.40x = 165,389.34 × 66,134.52
  4. Step 4: Simplify right side
    119,849.40x = 10,937,944,614.02
  5. Step 5: Solve for x
    x = 10,937,944,614.02/119,849.40
  6. Step 6: Final answer
    x = 91,264.07

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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.