Home / 190,306.70-285,370.65-110,367.39

Finding the Fourth Proportional to 190,306.70, 285,370.65 and 110,367.39

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Solution

The fourth proportional to 190,306.70, 285,370.65 and 110,367.39 is: 165,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,306.70 : 285,370.65 = 110,367.39 : x
  2. Step 2: Convert to fraction form
    190,306.70/285,370.65 = 110,367.39/x
  3. Step 3: Cross multiply
    190,306.70x = 285,370.65 × 110,367.39
  4. Step 4: Simplify right side
    190,306.70x = 31,495,613,823.10
  5. Step 5: Solve for x
    x = 31,495,613,823.10/190,306.70
  6. Step 6: Final answer
    x = 165,499.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.