Home / 92,817.08-139,296.14-67,921.37

Finding the Fourth Proportional to 92,817.08, 139,296.14 and 67,921.37

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Solution

The fourth proportional to 92,817.08, 139,296.14 and 67,921.37 is: 101,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.08 : 139,296.14 = 67,921.37 : x
  2. Step 2: Convert to fraction form
    92,817.08/139,296.14 = 67,921.37/x
  3. Step 3: Cross multiply
    92,817.08x = 139,296.14 × 67,921.37
  4. Step 4: Simplify right side
    92,817.08x = 9,461,184,664.51
  5. Step 5: Solve for x
    x = 9,461,184,664.51/92,817.08
  6. Step 6: Final answer
    x = 101,933.66

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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.