Home / 190,494.42-285,683.28-131,707.86

Finding the Fourth Proportional to 190,494.42, 285,683.28 and 131,707.86

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Solution

The fourth proportional to 190,494.42, 285,683.28 and 131,707.86 is: 197,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,494.42 : 285,683.28 = 131,707.86 : x
  2. Step 2: Convert to fraction form
    190,494.42/285,683.28 = 131,707.86/x
  3. Step 3: Cross multiply
    190,494.42x = 285,683.28 × 131,707.86
  4. Step 4: Simplify right side
    190,494.42x = 37,626,733,446.58
  5. Step 5: Solve for x
    x = 37,626,733,446.58/190,494.42
  6. Step 6: Final answer
    x = 197,521.45

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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.