Home / 119,864.23-165,412.47-66,149.24

Finding the Fourth Proportional to 119,864.23, 165,412.47 and 66,149.24

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Solution

The fourth proportional to 119,864.23, 165,412.47 and 66,149.24 is: 91,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,864.23 : 165,412.47 = 66,149.24 : x
  2. Step 2: Convert to fraction form
    119,864.23/165,412.47 = 66,149.24/x
  3. Step 3: Cross multiply
    119,864.23x = 165,412.47 × 66,149.24
  4. Step 4: Simplify right side
    119,864.23x = 10,941,909,177.02
  5. Step 5: Solve for x
    x = 10,941,909,177.02/119,864.23
  6. Step 6: Final answer
    x = 91,285.86

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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.