Home / 84,627.64-126,184.86-82,302.59

Finding the Fourth Proportional to 84,627.64, 126,184.86 and 82,302.59

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Solution

The fourth proportional to 84,627.64, 126,184.86 and 82,302.59 is: 122,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,627.64 : 126,184.86 = 82,302.59 : x
  2. Step 2: Convert to fraction form
    84,627.64/126,184.86 = 82,302.59/x
  3. Step 3: Cross multiply
    84,627.64x = 126,184.86 × 82,302.59
  4. Step 4: Simplify right side
    84,627.64x = 10,385,340,796.79
  5. Step 5: Solve for x
    x = 10,385,340,796.79/84,627.64
  6. Step 6: Final answer
    x = 122,718.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.