Home / 107,539.38-161,341.89-54,985.77

Finding the Fourth Proportional to 107,539.38, 161,341.89 and 54,985.77

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Solution

The fourth proportional to 107,539.38, 161,341.89 and 54,985.77 is: 82,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,539.38 : 161,341.89 = 54,985.77 : x
  2. Step 2: Convert to fraction form
    107,539.38/161,341.89 = 54,985.77/x
  3. Step 3: Cross multiply
    107,539.38x = 161,341.89 × 54,985.77
  4. Step 4: Simplify right side
    107,539.38x = 8,871,508,054.91
  5. Step 5: Solve for x
    x = 8,871,508,054.91/107,539.38
  6. Step 6: Final answer
    x = 82,495.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.