Home / 121,537.74-182,044.17-118,563.42

Finding the Fourth Proportional to 121,537.74, 182,044.17 and 118,563.42

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Solution

The fourth proportional to 121,537.74, 182,044.17 and 118,563.42 is: 177,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,537.74 : 182,044.17 = 118,563.42 : x
  2. Step 2: Convert to fraction form
    121,537.74/182,044.17 = 118,563.42/x
  3. Step 3: Cross multiply
    121,537.74x = 182,044.17 × 118,563.42
  4. Step 4: Simplify right side
    121,537.74x = 21,583,779,386.26
  5. Step 5: Solve for x
    x = 21,583,779,386.26/121,537.74
  6. Step 6: Final answer
    x = 177,589.11

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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.