Home / 90,268.18-124,568.58-49,981.06

Finding the Fourth Proportional to 90,268.18, 124,568.58 and 49,981.06

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Solution

The fourth proportional to 90,268.18, 124,568.58 and 49,981.06 is: 68,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,268.18 : 124,568.58 = 49,981.06 : x
  2. Step 2: Convert to fraction form
    90,268.18/124,568.58 = 49,981.06/x
  3. Step 3: Cross multiply
    90,268.18x = 124,568.58 × 49,981.06
  4. Step 4: Simplify right side
    90,268.18x = 6,226,069,671.09
  5. Step 5: Solve for x
    x = 6,226,069,671.09/90,268.18
  6. Step 6: Final answer
    x = 68,973.03

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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.