Home / 109,899.40-164,411.70-95,270.80

Finding the Fourth Proportional to 109,899.40, 164,411.70 and 95,270.80

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Solution

The fourth proportional to 109,899.40, 164,411.70 and 95,270.80 is: 142,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,899.40 : 164,411.70 = 95,270.80 : x
  2. Step 2: Convert to fraction form
    109,899.40/164,411.70 = 95,270.80/x
  3. Step 3: Cross multiply
    109,899.40x = 164,411.70 × 95,270.80
  4. Step 4: Simplify right side
    109,899.40x = 15,663,634,188.36
  5. Step 5: Solve for x
    x = 15,663,634,188.36/109,899.40
  6. Step 6: Final answer
    x = 142,527.02

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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.