Home / 150,462.40-207,704.24-105,317.64

Finding the Fourth Proportional to 150,462.40, 207,704.24 and 105,317.64

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Solution

The fourth proportional to 150,462.40, 207,704.24 and 105,317.64 is: 145,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,462.40 : 207,704.24 = 105,317.64 : x
  2. Step 2: Convert to fraction form
    150,462.40/207,704.24 = 105,317.64/x
  3. Step 3: Cross multiply
    150,462.40x = 207,704.24 × 105,317.64
  4. Step 4: Simplify right side
    150,462.40x = 21,874,920,374.79
  5. Step 5: Solve for x
    x = 21,874,920,374.79/150,462.40
  6. Step 6: Final answer
    x = 145,384.63

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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.