Home / 130,280.12-195,416.94-36,784.52

Finding the Fourth Proportional to 130,280.12, 195,416.94 and 36,784.52

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Solution

The fourth proportional to 130,280.12, 195,416.94 and 36,784.52 is: 55,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,280.12 : 195,416.94 = 36,784.52 : x
  2. Step 2: Convert to fraction form
    130,280.12/195,416.94 = 36,784.52/x
  3. Step 3: Cross multiply
    130,280.12x = 195,416.94 × 36,784.52
  4. Step 4: Simplify right side
    130,280.12x = 7,188,318,337.77
  5. Step 5: Solve for x
    x = 7,188,318,337.77/130,280.12
  6. Step 6: Final answer
    x = 55,175.87

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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.