Home / 90,428.15-135,664.70-27,246.83

Finding the Fourth Proportional to 90,428.15, 135,664.70 and 27,246.83

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Solution

The fourth proportional to 90,428.15, 135,664.70 and 27,246.83 is: 40,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,428.15 : 135,664.70 = 27,246.83 : x
  2. Step 2: Convert to fraction form
    90,428.15/135,664.70 = 27,246.83/x
  3. Step 3: Cross multiply
    90,428.15x = 135,664.70 × 27,246.83
  4. Step 4: Simplify right side
    90,428.15x = 3,696,432,203.34
  5. Step 5: Solve for x
    x = 3,696,432,203.34/90,428.15
  6. Step 6: Final answer
    x = 40,877.01

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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.