Home / 84,765.76-127,150.80-25,603.36

Finding the Fourth Proportional to 84,765.76, 127,150.80 and 25,603.36

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Solution

The fourth proportional to 84,765.76, 127,150.80 and 25,603.36 is: 38,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,765.76 : 127,150.80 = 25,603.36 : x
  2. Step 2: Convert to fraction form
    84,765.76/127,150.80 = 25,603.36/x
  3. Step 3: Cross multiply
    84,765.76x = 127,150.80 × 25,603.36
  4. Step 4: Simplify right side
    84,765.76x = 3,255,487,706.69
  5. Step 5: Solve for x
    x = 3,255,487,706.69/84,765.76
  6. Step 6: Final answer
    x = 38,405.69

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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.