Home / 84,748.40-127,122.60-83,193.20

Finding the Fourth Proportional to 84,748.40, 127,122.60 and 83,193.20

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Solution

The fourth proportional to 84,748.40, 127,122.60 and 83,193.20 is: 124,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,748.40 : 127,122.60 = 83,193.20 : x
  2. Step 2: Convert to fraction form
    84,748.40/127,122.60 = 83,193.20/x
  3. Step 3: Cross multiply
    84,748.40x = 127,122.60 × 83,193.20
  4. Step 4: Simplify right side
    84,748.40x = 10,575,735,886.32
  5. Step 5: Solve for x
    x = 10,575,735,886.32/84,748.40
  6. Step 6: Final answer
    x = 124,789.80

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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.