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Finding the Fourth Proportional to 104,395.92, 144,064.82 and 61,380.26

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Solution

The fourth proportional to 104,395.92, 144,064.82 and 61,380.26 is: 84,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,395.92 : 144,064.82 = 61,380.26 : x
  2. Step 2: Convert to fraction form
    104,395.92/144,064.82 = 61,380.26/x
  3. Step 3: Cross multiply
    104,395.92x = 144,064.82 × 61,380.26
  4. Step 4: Simplify right side
    104,395.92x = 8,842,736,108.45
  5. Step 5: Solve for x
    x = 8,842,736,108.45/104,395.92
  6. Step 6: Final answer
    x = 84,703.85

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1.5x scale

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.