Home / 80,240.90-120,246.15-59,015.30

Finding the Fourth Proportional to 80,240.90, 120,246.15 and 59,015.30

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Solution

The fourth proportional to 80,240.90, 120,246.15 and 59,015.30 is: 88,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,240.90 : 120,246.15 = 59,015.30 : x
  2. Step 2: Convert to fraction form
    80,240.90/120,246.15 = 59,015.30/x
  3. Step 3: Cross multiply
    80,240.90x = 120,246.15 × 59,015.30
  4. Step 4: Simplify right side
    80,240.90x = 7,096,362,616.10
  5. Step 5: Solve for x
    x = 7,096,362,616.10/80,240.90
  6. Step 6: Final answer
    x = 88,438.22

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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.