Home / 107,955.02-161,930.10-48,774.80

Finding the Fourth Proportional to 107,955.02, 161,930.10 and 48,774.80

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Solution

The fourth proportional to 107,955.02, 161,930.10 and 48,774.80 is: 73,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,955.02 : 161,930.10 = 48,774.80 : x
  2. Step 2: Convert to fraction form
    107,955.02/161,930.10 = 48,774.80/x
  3. Step 3: Cross multiply
    107,955.02x = 161,930.10 × 48,774.80
  4. Step 4: Simplify right side
    107,955.02x = 7,898,108,241.48
  5. Step 5: Solve for x
    x = 7,898,108,241.48/107,955.02
  6. Step 6: Final answer
    x = 73,161.10

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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.