Home / 190,575.18-285,874.65-64,204.92

Finding the Fourth Proportional to 190,575.18, 285,874.65 and 64,204.92

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Solution

The fourth proportional to 190,575.18, 285,874.65 and 64,204.92 is: 96,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,575.18 : 285,874.65 = 64,204.92 : x
  2. Step 2: Convert to fraction form
    190,575.18/285,874.65 = 64,204.92/x
  3. Step 3: Cross multiply
    190,575.18x = 285,874.65 × 64,204.92
  4. Step 4: Simplify right side
    190,575.18x = 18,354,559,033.28
  5. Step 5: Solve for x
    x = 18,354,559,033.28/190,575.18
  6. Step 6: Final answer
    x = 96,311.38

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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.