Home / 146,461.80-219,614.55-69,443.86

Finding the Fourth Proportional to 146,461.80, 219,614.55 and 69,443.86

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Solution

The fourth proportional to 146,461.80, 219,614.55 and 69,443.86 is: 104,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,461.80 : 219,614.55 = 69,443.86 : x
  2. Step 2: Convert to fraction form
    146,461.80/219,614.55 = 69,443.86/x
  3. Step 3: Cross multiply
    146,461.80x = 219,614.55 × 69,443.86
  4. Step 4: Simplify right side
    146,461.80x = 15,250,881,537.10
  5. Step 5: Solve for x
    x = 15,250,881,537.10/146,461.80
  6. Step 6: Final answer
    x = 104,128.74

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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.