Home / 110,421.80-165,632.70-40,328.46

Finding the Fourth Proportional to 110,421.80, 165,632.70 and 40,328.46

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Solution

The fourth proportional to 110,421.80, 165,632.70 and 40,328.46 is: 60,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,421.80 : 165,632.70 = 40,328.46 : x
  2. Step 2: Convert to fraction form
    110,421.80/165,632.70 = 40,328.46/x
  3. Step 3: Cross multiply
    110,421.80x = 165,632.70 × 40,328.46
  4. Step 4: Simplify right side
    110,421.80x = 6,679,711,716.64
  5. Step 5: Solve for x
    x = 6,679,711,716.64/110,421.80
  6. Step 6: Final answer
    x = 60,492.69

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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.