Home / 112,768.22-155,618.07-65,023.58

Finding the Fourth Proportional to 112,768.22, 155,618.07 and 65,023.58

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Solution

The fourth proportional to 112,768.22, 155,618.07 and 65,023.58 is: 89,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,768.22 : 155,618.07 = 65,023.58 : x
  2. Step 2: Convert to fraction form
    112,768.22/155,618.07 = 65,023.58/x
  3. Step 3: Cross multiply
    112,768.22x = 155,618.07 × 65,023.58
  4. Step 4: Simplify right side
    112,768.22x = 10,118,844,024.09
  5. Step 5: Solve for x
    x = 10,118,844,024.09/112,768.22
  6. Step 6: Final answer
    x = 89,731.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.