Home / 90,107.84-135,141.72-26,052.00

Finding the Fourth Proportional to 90,107.84, 135,141.72 and 26,052.00

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Solution

The fourth proportional to 90,107.84, 135,141.72 and 26,052.00 is: 39,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,107.84 : 135,141.72 = 26,052.00 : x
  2. Step 2: Convert to fraction form
    90,107.84/135,141.72 = 26,052.00/x
  3. Step 3: Cross multiply
    90,107.84x = 135,141.72 × 26,052.00
  4. Step 4: Simplify right side
    90,107.84x = 3,520,711,484.96
  5. Step 5: Solve for x
    x = 3,520,711,484.96/90,107.84
  6. Step 6: Final answer
    x = 39,072.20

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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.