Home / 106,457.04-159,658.31-31,559.67

Finding the Fourth Proportional to 106,457.04, 159,658.31 and 31,559.67

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Solution

The fourth proportional to 106,457.04, 159,658.31 and 31,559.67 is: 47,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,457.04 : 159,658.31 = 31,559.67 : x
  2. Step 2: Convert to fraction form
    106,457.04/159,658.31 = 31,559.67/x
  3. Step 3: Cross multiply
    106,457.04x = 159,658.31 × 31,559.67
  4. Step 4: Simplify right side
    106,457.04x = 5,038,763,655.26
  5. Step 5: Solve for x
    x = 5,038,763,655.26/106,457.04
  6. Step 6: Final answer
    x = 47,331.43

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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.