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Finding the Fourth Proportional to 101,184.48, 139,639.25 and 55,868.89

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Solution

The fourth proportional to 101,184.48, 139,639.25 and 55,868.89 is: 77,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,184.48 : 139,639.25 = 55,868.89 : x
  2. Step 2: Convert to fraction form
    101,184.48/139,639.25 = 55,868.89/x
  3. Step 3: Cross multiply
    101,184.48x = 139,639.25 × 55,868.89
  4. Step 4: Simplify right side
    101,184.48x = 7,801,489,897.93
  5. Step 5: Solve for x
    x = 7,801,489,897.93/101,184.48
  6. Step 6: Final answer
    x = 77,101.65

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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.