Home / 145,836.49-218,755.65-40,656.37

Finding the Fourth Proportional to 145,836.49, 218,755.65 and 40,656.37

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Solution

The fourth proportional to 145,836.49, 218,755.65 and 40,656.37 is: 60,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,836.49 : 218,755.65 = 40,656.37 : x
  2. Step 2: Convert to fraction form
    145,836.49/218,755.65 = 40,656.37/x
  3. Step 3: Cross multiply
    145,836.49x = 218,755.65 × 40,656.37
  4. Step 4: Simplify right side
    145,836.49x = 8,893,810,645.99
  5. Step 5: Solve for x
    x = 8,893,810,645.99/145,836.49
  6. Step 6: Final answer
    x = 60,984.81

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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.