Home / 106,457.29-159,658.69-31,559.92

Finding the Fourth Proportional to 106,457.29, 159,658.69 and 31,559.92

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Solution

The fourth proportional to 106,457.29, 159,658.69 and 31,559.92 is: 47,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,457.29 : 159,658.69 = 31,559.92 : x
  2. Step 2: Convert to fraction form
    106,457.29/159,658.69 = 31,559.92/x
  3. Step 3: Cross multiply
    106,457.29x = 159,658.69 × 31,559.92
  4. Step 4: Simplify right side
    106,457.29x = 5,038,815,483.70
  5. Step 5: Solve for x
    x = 5,038,815,483.70/106,457.29
  6. Step 6: Final answer
    x = 47,331.80

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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.