Home / 146,368.65-219,202.11-75,103.74

Finding the Fourth Proportional to 146,368.65, 219,202.11 and 75,103.74

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Solution

The fourth proportional to 146,368.65, 219,202.11 and 75,103.74 is: 112,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,368.65 : 219,202.11 = 75,103.74 : x
  2. Step 2: Convert to fraction form
    146,368.65/219,202.11 = 75,103.74/x
  3. Step 3: Cross multiply
    146,368.65x = 219,202.11 × 75,103.74
  4. Step 4: Simplify right side
    146,368.65x = 16,462,898,276.89
  5. Step 5: Solve for x
    x = 16,462,898,276.89/146,368.65
  6. Step 6: Final answer
    x = 112,475.58

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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.