Home / 110,381.52-165,457.02-51,168.36

Finding the Fourth Proportional to 110,381.52, 165,457.02 and 51,168.36

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Solution

The fourth proportional to 110,381.52, 165,457.02 and 51,168.36 is: 76,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,381.52 : 165,457.02 = 51,168.36 : x
  2. Step 2: Convert to fraction form
    110,381.52/165,457.02 = 51,168.36/x
  3. Step 3: Cross multiply
    110,381.52x = 165,457.02 × 51,168.36
  4. Step 4: Simplify right side
    110,381.52x = 8,466,164,363.89
  5. Step 5: Solve for x
    x = 8,466,164,363.89/110,381.52
  6. Step 6: Final answer
    x = 76,699.11

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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.