Home / 104,511.78-144,227.01-56,765.13

Finding the Fourth Proportional to 104,511.78, 144,227.01 and 56,765.13

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Solution

The fourth proportional to 104,511.78, 144,227.01 and 56,765.13 is: 78,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,511.78 : 144,227.01 = 56,765.13 : x
  2. Step 2: Convert to fraction form
    104,511.78/144,227.01 = 56,765.13/x
  3. Step 3: Cross multiply
    104,511.78x = 144,227.01 × 56,765.13
  4. Step 4: Simplify right side
    104,511.78x = 8,187,064,972.16
  5. Step 5: Solve for x
    x = 8,187,064,972.16/104,511.78
  6. Step 6: Final answer
    x = 78,336.29

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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.