Home / 125,218.28-172,802.76-68,629.52

Finding the Fourth Proportional to 125,218.28, 172,802.76 and 68,629.52

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Solution

The fourth proportional to 125,218.28, 172,802.76 and 68,629.52 is: 94,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,218.28 : 172,802.76 = 68,629.52 : x
  2. Step 2: Convert to fraction form
    125,218.28/172,802.76 = 68,629.52/x
  3. Step 3: Cross multiply
    125,218.28x = 172,802.76 × 68,629.52
  4. Step 4: Simplify right side
    125,218.28x = 11,859,370,473.48
  5. Step 5: Solve for x
    x = 11,859,370,473.48/125,218.28
  6. Step 6: Final answer
    x = 94,709.58

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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.