Home / 138,923.66-208,157.67-58,897.68

Finding the Fourth Proportional to 138,923.66, 208,157.67 and 58,897.68

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Solution

The fourth proportional to 138,923.66, 208,157.67 and 58,897.68 is: 88,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,923.66 : 208,157.67 = 58,897.68 : x
  2. Step 2: Convert to fraction form
    138,923.66/208,157.67 = 58,897.68/x
  3. Step 3: Cross multiply
    138,923.66x = 208,157.67 × 58,897.68
  4. Step 4: Simplify right side
    138,923.66x = 12,260,003,837.21
  5. Step 5: Solve for x
    x = 12,260,003,837.21/138,923.66
  6. Step 6: Final answer
    x = 88,249.93

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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.