Home / 100,938.90-151,408.35-63,614.10

Finding the Fourth Proportional to 100,938.90, 151,408.35 and 63,614.10

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Solution

The fourth proportional to 100,938.90, 151,408.35 and 63,614.10 is: 95,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,938.90 : 151,408.35 = 63,614.10 : x
  2. Step 2: Convert to fraction form
    100,938.90/151,408.35 = 63,614.10/x
  3. Step 3: Cross multiply
    100,938.90x = 151,408.35 × 63,614.10
  4. Step 4: Simplify right side
    100,938.90x = 9,631,705,917.74
  5. Step 5: Solve for x
    x = 9,631,705,917.74/100,938.90
  6. Step 6: Final answer
    x = 95,421.15

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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.