Home / 101,284.74-139,769.18-55,961.74

Finding the Fourth Proportional to 101,284.74, 139,769.18 and 55,961.74

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Solution

The fourth proportional to 101,284.74, 139,769.18 and 55,961.74 is: 77,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,284.74 : 139,769.18 = 55,961.74 : x
  2. Step 2: Convert to fraction form
    101,284.74/139,769.18 = 55,961.74/x
  3. Step 3: Cross multiply
    101,284.74x = 139,769.18 × 55,961.74
  4. Step 4: Simplify right side
    101,284.74x = 7,821,727,009.03
  5. Step 5: Solve for x
    x = 7,821,727,009.03/101,284.74
  6. Step 6: Final answer
    x = 77,225.13

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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.