Home / 145,867.05-218,781.14-40,677.21

Finding the Fourth Proportional to 145,867.05, 218,781.14 and 40,677.21

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Solution

The fourth proportional to 145,867.05, 218,781.14 and 40,677.21 is: 61,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,867.05 : 218,781.14 = 40,677.21 : x
  2. Step 2: Convert to fraction form
    145,867.05/218,781.14 = 40,677.21/x
  3. Step 3: Cross multiply
    145,867.05x = 218,781.14 × 40,677.21
  4. Step 4: Simplify right side
    145,867.05x = 8,899,406,172.43
  5. Step 5: Solve for x
    x = 8,899,406,172.43/145,867.05
  6. Step 6: Final answer
    x = 61,010.39

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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.