Home / 130,228.56-195,355.60-66,874.82

Finding the Fourth Proportional to 130,228.56, 195,355.60 and 66,874.82

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Solution

The fourth proportional to 130,228.56, 195,355.60 and 66,874.82 is: 100,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,228.56 : 195,355.60 = 66,874.82 : x
  2. Step 2: Convert to fraction form
    130,228.56/195,355.60 = 66,874.82/x
  3. Step 3: Cross multiply
    130,228.56x = 195,355.60 × 66,874.82
  4. Step 4: Simplify right side
    130,228.56x = 13,064,369,442.03
  5. Step 5: Solve for x
    x = 13,064,369,442.03/130,228.56
  6. Step 6: Final answer
    x = 100,318.77

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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.