Home / 90,886.99-136,145.95-45,880.58

Finding the Fourth Proportional to 90,886.99, 136,145.95 and 45,880.58

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Solution

The fourth proportional to 90,886.99, 136,145.95 and 45,880.58 is: 68,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,886.99 : 136,145.95 = 45,880.58 : x
  2. Step 2: Convert to fraction form
    90,886.99/136,145.95 = 45,880.58/x
  3. Step 3: Cross multiply
    90,886.99x = 136,145.95 × 45,880.58
  4. Step 4: Simplify right side
    90,886.99x = 6,246,454,355.22
  5. Step 5: Solve for x
    x = 6,246,454,355.22/90,886.99
  6. Step 6: Final answer
    x = 68,727.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.