Home / 128,044.22-176,710.82-70,694.60

Finding the Fourth Proportional to 128,044.22, 176,710.82 and 70,694.60

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Solution

The fourth proportional to 128,044.22, 176,710.82 and 70,694.60 is: 97,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,044.22 : 176,710.82 = 70,694.60 : x
  2. Step 2: Convert to fraction form
    128,044.22/176,710.82 = 70,694.60/x
  3. Step 3: Cross multiply
    128,044.22x = 176,710.82 × 70,694.60
  4. Step 4: Simplify right side
    128,044.22x = 12,492,499,498.54
  5. Step 5: Solve for x
    x = 12,492,499,498.54/128,044.22
  6. Step 6: Final answer
    x = 97,563.95

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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.