Home / 190,337.86-262,694.28-109,749.70

Finding the Fourth Proportional to 190,337.86, 262,694.28 and 109,749.70

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Solution

The fourth proportional to 190,337.86, 262,694.28 and 109,749.70 is: 151,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,337.86 : 262,694.28 = 109,749.70 : x
  2. Step 2: Convert to fraction form
    190,337.86/262,694.28 = 109,749.70/x
  3. Step 3: Cross multiply
    190,337.86x = 262,694.28 × 109,749.70
  4. Step 4: Simplify right side
    190,337.86x = 28,830,618,421.72
  5. Step 5: Solve for x
    x = 28,830,618,421.72/190,337.86
  6. Step 6: Final answer
    x = 151,470.75

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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.