Home / 145,867.43-218,824.49-61,628.38

Finding the Fourth Proportional to 145,867.43, 218,824.49 and 61,628.38

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Solution

The fourth proportional to 145,867.43, 218,824.49 and 61,628.38 is: 92,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,867.43 : 218,824.49 = 61,628.38 : x
  2. Step 2: Convert to fraction form
    145,867.43/218,824.49 = 61,628.38/x
  3. Step 3: Cross multiply
    145,867.43x = 218,824.49 × 61,628.38
  4. Step 4: Simplify right side
    145,867.43x = 13,485,798,430.04
  5. Step 5: Solve for x
    x = 13,485,798,430.04/145,867.43
  6. Step 6: Final answer
    x = 92,452.43

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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.