Home / 110,967.20-166,492.70-66,624.86

Finding the Fourth Proportional to 110,967.20, 166,492.70 and 66,624.86

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Solution

The fourth proportional to 110,967.20, 166,492.70 and 66,624.86 is: 99,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,967.20 : 166,492.70 = 66,624.86 : x
  2. Step 2: Convert to fraction form
    110,967.20/166,492.70 = 66,624.86/x
  3. Step 3: Cross multiply
    110,967.20x = 166,492.70 × 66,624.86
  4. Step 4: Simplify right side
    110,967.20x = 11,092,553,161.47
  5. Step 5: Solve for x
    x = 11,092,553,161.47/110,967.20
  6. Step 6: Final answer
    x = 99,962.45

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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.