Home / 149,138.07-223,574.48-54,350.46

Finding the Fourth Proportional to 149,138.07, 223,574.48 and 54,350.46

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Solution

The fourth proportional to 149,138.07, 223,574.48 and 54,350.46 is: 81,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,138.07 : 223,574.48 = 54,350.46 : x
  2. Step 2: Convert to fraction form
    149,138.07/223,574.48 = 54,350.46/x
  3. Step 3: Cross multiply
    149,138.07x = 223,574.48 × 54,350.46
  4. Step 4: Simplify right side
    149,138.07x = 12,151,375,832.26
  5. Step 5: Solve for x
    x = 12,151,375,832.26/149,138.07
  6. Step 6: Final answer
    x = 81,477.36

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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.