Home / 120,294.18-166,001.70-66,579.30

Finding the Fourth Proportional to 120,294.18, 166,001.70 and 66,579.30

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Solution

The fourth proportional to 120,294.18, 166,001.70 and 66,579.30 is: 91,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,294.18 : 166,001.70 = 66,579.30 : x
  2. Step 2: Convert to fraction form
    120,294.18/166,001.70 = 66,579.30/x
  3. Step 3: Cross multiply
    120,294.18x = 166,001.70 × 66,579.30
  4. Step 4: Simplify right side
    120,294.18x = 11,052,276,984.81
  5. Step 5: Solve for x
    x = 11,052,276,984.81/120,294.18
  6. Step 6: Final answer
    x = 91,877.07

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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.