Home / 148,028.89-204,281.09-81,727.43

Finding the Fourth Proportional to 148,028.89, 204,281.09 and 81,727.43

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Solution

The fourth proportional to 148,028.89, 204,281.09 and 81,727.43 is: 112,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,028.89 : 204,281.09 = 81,727.43 : x
  2. Step 2: Convert to fraction form
    148,028.89/204,281.09 = 81,727.43/x
  3. Step 3: Cross multiply
    148,028.89x = 204,281.09 × 81,727.43
  4. Step 4: Simplify right side
    148,028.89x = 16,695,367,053.26
  5. Step 5: Solve for x
    x = 16,695,367,053.26/148,028.89
  6. Step 6: Final answer
    x = 112,784.52

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1.5x scale

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.