Home / 110,252.70-165,379.05-76,902.30

Finding the Fourth Proportional to 110,252.70, 165,379.05 and 76,902.30

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Solution

The fourth proportional to 110,252.70, 165,379.05 and 76,902.30 is: 115,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,252.70 : 165,379.05 = 76,902.30 : x
  2. Step 2: Convert to fraction form
    110,252.70/165,379.05 = 76,902.30/x
  3. Step 3: Cross multiply
    110,252.70x = 165,379.05 × 76,902.30
  4. Step 4: Simplify right side
    110,252.70x = 12,718,029,316.82
  5. Step 5: Solve for x
    x = 12,718,029,316.82/110,252.70
  6. Step 6: Final answer
    x = 115,353.45

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1.5x scale

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.