Home / 139,332.26-192,279.93-75,671.30

Finding the Fourth Proportional to 139,332.26, 192,279.93 and 75,671.30

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Solution

The fourth proportional to 139,332.26, 192,279.93 and 75,671.30 is: 104,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,332.26 : 192,279.93 = 75,671.30 : x
  2. Step 2: Convert to fraction form
    139,332.26/192,279.93 = 75,671.30/x
  3. Step 3: Cross multiply
    139,332.26x = 192,279.93 × 75,671.30
  4. Step 4: Simplify right side
    139,332.26x = 14,550,072,267.01
  5. Step 5: Solve for x
    x = 14,550,072,267.01/139,332.26
  6. Step 6: Final answer
    x = 104,427.16

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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.