Home / 90,837.92-136,248.24-28,497.44

Finding the Fourth Proportional to 90,837.92, 136,248.24 and 28,497.44

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Solution

The fourth proportional to 90,837.92, 136,248.24 and 28,497.44 is: 42,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,837.92 : 136,248.24 = 28,497.44 : x
  2. Step 2: Convert to fraction form
    90,837.92/136,248.24 = 28,497.44/x
  3. Step 3: Cross multiply
    90,837.92x = 136,248.24 × 28,497.44
  4. Step 4: Simplify right side
    90,837.92x = 3,882,726,044.51
  5. Step 5: Solve for x
    x = 3,882,726,044.51/90,837.92
  6. Step 6: Final answer
    x = 42,743.45

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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.