Home / 131,510.10-197,265.15-48,393.30

Finding the Fourth Proportional to 131,510.10, 197,265.15 and 48,393.30

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Solution

The fourth proportional to 131,510.10, 197,265.15 and 48,393.30 is: 72,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,510.10 : 197,265.15 = 48,393.30 : x
  2. Step 2: Convert to fraction form
    131,510.10/197,265.15 = 48,393.30/x
  3. Step 3: Cross multiply
    131,510.10x = 197,265.15 × 48,393.30
  4. Step 4: Simplify right side
    131,510.10x = 9,546,311,583.50
  5. Step 5: Solve for x
    x = 9,546,311,583.50/131,510.10
  6. Step 6: Final answer
    x = 72,589.95

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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.