Home / 90,154.14-124,407.99-49,867.26

Finding the Fourth Proportional to 90,154.14, 124,407.99 and 49,867.26

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Solution

The fourth proportional to 90,154.14, 124,407.99 and 49,867.26 is: 68,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,154.14 : 124,407.99 = 49,867.26 : x
  2. Step 2: Convert to fraction form
    90,154.14/124,407.99 = 49,867.26/x
  3. Step 3: Cross multiply
    90,154.14x = 124,407.99 × 49,867.26
  4. Step 4: Simplify right side
    90,154.14x = 6,203,885,583.41
  5. Step 5: Solve for x
    x = 6,203,885,583.41/90,154.14
  6. Step 6: Final answer
    x = 68,814.21

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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.