Home / 145,841.36-218,774.38-40,660.42

Finding the Fourth Proportional to 145,841.36, 218,774.38 and 40,660.42

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Solution

The fourth proportional to 145,841.36, 218,774.38 and 40,660.42 is: 60,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,841.36 : 218,774.38 = 40,660.42 : x
  2. Step 2: Convert to fraction form
    145,841.36/218,774.38 = 40,660.42/x
  3. Step 3: Cross multiply
    145,841.36x = 218,774.38 × 40,660.42
  4. Step 4: Simplify right side
    145,841.36x = 8,895,458,176.04
  5. Step 5: Solve for x
    x = 8,895,458,176.04/145,841.36
  6. Step 6: Final answer
    x = 60,994.07

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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.