Home / 104,335.39-143,983.73-56,588.63

Finding the Fourth Proportional to 104,335.39, 143,983.73 and 56,588.63

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Solution

The fourth proportional to 104,335.39, 143,983.73 and 56,588.63 is: 78,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,335.39 : 143,983.73 = 56,588.63 : x
  2. Step 2: Convert to fraction form
    104,335.39/143,983.73 = 56,588.63/x
  3. Step 3: Cross multiply
    104,335.39x = 143,983.73 × 56,588.63
  4. Step 4: Simplify right side
    104,335.39x = 8,147,841,126.23
  5. Step 5: Solve for x
    x = 8,147,841,126.23/104,335.39
  6. Step 6: Final answer
    x = 78,092.78

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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.