Home / 102,744.26-154,130.88-31,672.67

Finding the Fourth Proportional to 102,744.26, 154,130.88 and 31,672.67

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Solution

The fourth proportional to 102,744.26, 154,130.88 and 31,672.67 is: 47,513.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,744.26 : 154,130.88 = 31,672.67 : x
  2. Step 2: Convert to fraction form
    102,744.26/154,130.88 = 31,672.67/x
  3. Step 3: Cross multiply
    102,744.26x = 154,130.88 × 31,672.67
  4. Step 4: Simplify right side
    102,744.26x = 4,881,735,728.40
  5. Step 5: Solve for x
    x = 4,881,735,728.40/102,744.26
  6. Step 6: Final answer
    x = 47,513.47

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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.