Home / 149,929.95-206,911.04-86,277.27

Finding the Fourth Proportional to 149,929.95, 206,911.04 and 86,277.27

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Solution

The fourth proportional to 149,929.95, 206,911.04 and 86,277.27 is: 119,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,929.95 : 206,911.04 = 86,277.27 : x
  2. Step 2: Convert to fraction form
    149,929.95/206,911.04 = 86,277.27/x
  3. Step 3: Cross multiply
    149,929.95x = 206,911.04 × 86,277.27
  4. Step 4: Simplify right side
    149,929.95x = 17,851,719,232.67
  5. Step 5: Solve for x
    x = 17,851,719,232.67/149,929.95
  6. Step 6: Final answer
    x = 119,067.07

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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.