Home / 119,854.01-165,399.02-66,140.58

Finding the Fourth Proportional to 119,854.01, 165,399.02 and 66,140.58

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Solution

The fourth proportional to 119,854.01, 165,399.02 and 66,140.58 is: 91,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,854.01 : 165,399.02 = 66,140.58 : x
  2. Step 2: Convert to fraction form
    119,854.01/165,399.02 = 66,140.58/x
  3. Step 3: Cross multiply
    119,854.01x = 165,399.02 × 66,140.58
  4. Step 4: Simplify right side
    119,854.01x = 10,939,587,114.23
  5. Step 5: Solve for x
    x = 10,939,587,114.23/119,854.01
  6. Step 6: Final answer
    x = 91,274.27

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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.