Home / 149,337.79-223,971.30-42,718.46

Finding the Fourth Proportional to 149,337.79, 223,971.30 and 42,718.46

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Solution

The fourth proportional to 149,337.79, 223,971.30 and 42,718.46 is: 64,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,337.79 : 223,971.30 = 42,718.46 : x
  2. Step 2: Convert to fraction form
    149,337.79/223,971.30 = 42,718.46/x
  3. Step 3: Cross multiply
    149,337.79x = 223,971.30 × 42,718.46
  4. Step 4: Simplify right side
    149,337.79x = 9,567,707,900.34
  5. Step 5: Solve for x
    x = 9,567,707,900.34/149,337.79
  6. Step 6: Final answer
    x = 64,067.56

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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.