Home / 104,372.17-144,108.48-64,139.87

Finding the Fourth Proportional to 104,372.17, 144,108.48 and 64,139.87

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Solution

The fourth proportional to 104,372.17, 144,108.48 and 64,139.87 is: 88,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,372.17 : 144,108.48 = 64,139.87 : x
  2. Step 2: Convert to fraction form
    104,372.17/144,108.48 = 64,139.87/x
  3. Step 3: Cross multiply
    104,372.17x = 144,108.48 × 64,139.87
  4. Step 4: Simplify right side
    104,372.17x = 9,243,099,773.89
  5. Step 5: Solve for x
    x = 9,243,099,773.89/104,372.17
  6. Step 6: Final answer
    x = 88,559.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.