Home / 84,906.18-127,298.28-39,902.16

Finding the Fourth Proportional to 84,906.18, 127,298.28 and 39,902.16

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Solution

The fourth proportional to 84,906.18, 127,298.28 and 39,902.16 is: 59,824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,906.18 : 127,298.28 = 39,902.16 : x
  2. Step 2: Convert to fraction form
    84,906.18/127,298.28 = 39,902.16/x
  3. Step 3: Cross multiply
    84,906.18x = 127,298.28 × 39,902.16
  4. Step 4: Simplify right side
    84,906.18x = 5,079,476,336.28
  5. Step 5: Solve for x
    x = 5,079,476,336.28/84,906.18
  6. Step 6: Final answer
    x = 59,824.58

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1.5x scale

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.