Home / 129,982.96-179,353.02-75,537.58

Finding the Fourth Proportional to 129,982.96, 179,353.02 and 75,537.58

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Solution

The fourth proportional to 129,982.96, 179,353.02 and 75,537.58 is: 104,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,982.96 : 179,353.02 = 75,537.58 : x
  2. Step 2: Convert to fraction form
    129,982.96/179,353.02 = 75,537.58/x
  3. Step 3: Cross multiply
    129,982.96x = 179,353.02 × 75,537.58
  4. Step 4: Simplify right side
    129,982.96x = 13,547,893,096.49
  5. Step 5: Solve for x
    x = 13,547,893,096.49/129,982.96
  6. Step 6: Final answer
    x = 104,228.22

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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.