Home / 104,456.31-144,152.63-56,712.75

Finding the Fourth Proportional to 104,456.31, 144,152.63 and 56,712.75

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Solution

The fourth proportional to 104,456.31, 144,152.63 and 56,712.75 is: 78,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,456.31 : 144,152.63 = 56,712.75 : x
  2. Step 2: Convert to fraction form
    104,456.31/144,152.63 = 56,712.75/x
  3. Step 3: Cross multiply
    104,456.31x = 144,152.63 × 56,712.75
  4. Step 4: Simplify right side
    104,456.31x = 8,175,292,067.03
  5. Step 5: Solve for x
    x = 8,175,292,067.03/104,456.31
  6. Step 6: Final answer
    x = 78,265.18

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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.