Home / 84,819.52-127,838.92-73,114.56

Finding the Fourth Proportional to 84,819.52, 127,838.92 and 73,114.56

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Solution

The fourth proportional to 84,819.52, 127,838.92 and 73,114.56 is: 110,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,819.52 : 127,838.92 = 73,114.56 : x
  2. Step 2: Convert to fraction form
    84,819.52/127,838.92 = 73,114.56/x
  3. Step 3: Cross multiply
    84,819.52x = 127,838.92 × 73,114.56
  4. Step 4: Simplify right side
    84,819.52x = 9,346,886,386.68
  5. Step 5: Solve for x
    x = 9,346,886,386.68/84,819.52
  6. Step 6: Final answer
    x = 110,197.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.