Home / 150,495.71-207,612.52-90,054.18

Finding the Fourth Proportional to 150,495.71, 207,612.52 and 90,054.18

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Solution

The fourth proportional to 150,495.71, 207,612.52 and 90,054.18 is: 124,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,495.71 : 207,612.52 = 90,054.18 : x
  2. Step 2: Convert to fraction form
    150,495.71/207,612.52 = 90,054.18/x
  3. Step 3: Cross multiply
    150,495.71x = 207,612.52 × 90,054.18
  4. Step 4: Simplify right side
    150,495.71x = 18,696,375,246.33
  5. Step 5: Solve for x
    x = 18,696,375,246.33/150,495.71
  6. Step 6: Final answer
    x = 124,231.95

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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.