Home / 150,440.72-207,614.96-85,915.58

Finding the Fourth Proportional to 150,440.72, 207,614.96 and 85,915.58

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Solution

The fourth proportional to 150,440.72, 207,614.96 and 85,915.58 is: 118,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,440.72 : 207,614.96 = 85,915.58 : x
  2. Step 2: Convert to fraction form
    150,440.72/207,614.96 = 85,915.58/x
  3. Step 3: Cross multiply
    150,440.72x = 207,614.96 × 85,915.58
  4. Step 4: Simplify right side
    150,440.72x = 17,837,358,237.42
  5. Step 5: Solve for x
    x = 17,837,358,237.42/150,440.72
  6. Step 6: Final answer
    x = 118,567.36

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1.5x scale

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.