Home / 139,206.14-192,104.59-75,543.93

Finding the Fourth Proportional to 139,206.14, 192,104.59 and 75,543.93

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Solution

The fourth proportional to 139,206.14, 192,104.59 and 75,543.93 is: 104,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,206.14 : 192,104.59 = 75,543.93 : x
  2. Step 2: Convert to fraction form
    139,206.14/192,104.59 = 75,543.93/x
  3. Step 3: Cross multiply
    139,206.14x = 192,104.59 × 75,543.93
  4. Step 4: Simplify right side
    139,206.14x = 14,512,335,699.64
  5. Step 5: Solve for x
    x = 14,512,335,699.64/139,206.14
  6. Step 6: Final answer
    x = 104,250.69

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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.