Home / 109,161.36-150,634.62-61,405.52

Finding the Fourth Proportional to 109,161.36, 150,634.62 and 61,405.52

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Solution

The fourth proportional to 109,161.36, 150,634.62 and 61,405.52 is: 84,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,161.36 : 150,634.62 = 61,405.52 : x
  2. Step 2: Convert to fraction form
    109,161.36/150,634.62 = 61,405.52/x
  3. Step 3: Cross multiply
    109,161.36x = 150,634.62 × 61,405.52
  4. Step 4: Simplify right side
    109,161.36x = 9,249,796,417.93
  5. Step 5: Solve for x
    x = 9,249,796,417.93/109,161.36
  6. Step 6: Final answer
    x = 84,735.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.