Home / 102,919.80-154,341.30-40,577.40

Finding the Fourth Proportional to 102,919.80, 154,341.30 and 40,577.40

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Solution

The fourth proportional to 102,919.80, 154,341.30 and 40,577.40 is: 60,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,919.80 : 154,341.30 = 40,577.40 : x
  2. Step 2: Convert to fraction form
    102,919.80/154,341.30 = 40,577.40/x
  3. Step 3: Cross multiply
    102,919.80x = 154,341.30 × 40,577.40
  4. Step 4: Simplify right side
    102,919.80x = 6,262,768,666.62
  5. Step 5: Solve for x
    x = 6,262,768,666.62/102,919.80
  6. Step 6: Final answer
    x = 60,850.96

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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.