Home / 106,457.22-159,658.58-31,559.86

Finding the Fourth Proportional to 106,457.22, 159,658.58 and 31,559.86

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Solution

The fourth proportional to 106,457.22, 159,658.58 and 31,559.86 is: 47,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,457.22 : 159,658.58 = 31,559.86 : x
  2. Step 2: Convert to fraction form
    106,457.22/159,658.58 = 31,559.86/x
  3. Step 3: Cross multiply
    106,457.22x = 159,658.58 × 31,559.86
  4. Step 4: Simplify right side
    106,457.22x = 5,038,802,432.60
  5. Step 5: Solve for x
    x = 5,038,802,432.60/106,457.22
  6. Step 6: Final answer
    x = 47,331.71

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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.