Home / 94,648.60-141,972.90-80,576.20

Finding the Fourth Proportional to 94,648.60, 141,972.90 and 80,576.20

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Solution

The fourth proportional to 94,648.60, 141,972.90 and 80,576.20 is: 120,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,648.60 : 141,972.90 = 80,576.20 : x
  2. Step 2: Convert to fraction form
    94,648.60/141,972.90 = 80,576.20/x
  3. Step 3: Cross multiply
    94,648.60x = 141,972.90 × 80,576.20
  4. Step 4: Simplify right side
    94,648.60x = 11,439,636,784.98
  5. Step 5: Solve for x
    x = 11,439,636,784.98/94,648.60
  6. Step 6: Final answer
    x = 120,864.30

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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.