Home / 90,904.54-136,371.57-26,869.18

Finding the Fourth Proportional to 90,904.54, 136,371.57 and 26,869.18

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Solution

The fourth proportional to 90,904.54, 136,371.57 and 26,869.18 is: 40,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,904.54 : 136,371.57 = 26,869.18 : x
  2. Step 2: Convert to fraction form
    90,904.54/136,371.57 = 26,869.18/x
  3. Step 3: Cross multiply
    90,904.54x = 136,371.57 × 26,869.18
  4. Step 4: Simplify right side
    90,904.54x = 3,664,191,579.35
  5. Step 5: Solve for x
    x = 3,664,191,579.35/90,904.54
  6. Step 6: Final answer
    x = 40,308.13

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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.