Home / 90,717.94-125,006.13-70,175.20

Finding the Fourth Proportional to 90,717.94, 125,006.13 and 70,175.20

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Solution

The fourth proportional to 90,717.94, 125,006.13 and 70,175.20 is: 96,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,717.94 : 125,006.13 = 70,175.20 : x
  2. Step 2: Convert to fraction form
    90,717.94/125,006.13 = 70,175.20/x
  3. Step 3: Cross multiply
    90,717.94x = 125,006.13 × 70,175.20
  4. Step 4: Simplify right side
    90,717.94x = 8,772,329,823.10
  5. Step 5: Solve for x
    x = 8,772,329,823.10/90,717.94
  6. Step 6: Final answer
    x = 96,698.95

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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.