Home / 84,738.90-127,116.45-25,568.40

Finding the Fourth Proportional to 84,738.90, 127,116.45 and 25,568.40

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Solution

The fourth proportional to 84,738.90, 127,116.45 and 25,568.40 is: 38,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,738.90 : 127,116.45 = 25,568.40 : x
  2. Step 2: Convert to fraction form
    84,738.90/127,116.45 = 25,568.40/x
  3. Step 3: Cross multiply
    84,738.90x = 127,116.45 × 25,568.40
  4. Step 4: Simplify right side
    84,738.90x = 3,250,164,240.18
  5. Step 5: Solve for x
    x = 3,250,164,240.18/84,738.90
  6. Step 6: Final answer
    x = 38,355.04

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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.