Home / 142,487.30-196,546.77-94,089.67

Finding the Fourth Proportional to 142,487.30, 196,546.77 and 94,089.67

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Solution

The fourth proportional to 142,487.30, 196,546.77 and 94,089.67 is: 129,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,487.30 : 196,546.77 = 94,089.67 : x
  2. Step 2: Convert to fraction form
    142,487.30/196,546.77 = 94,089.67/x
  3. Step 3: Cross multiply
    142,487.30x = 196,546.77 × 94,089.67
  4. Step 4: Simplify right side
    142,487.30x = 18,493,020,237.50
  5. Step 5: Solve for x
    x = 18,493,020,237.50/142,487.30
  6. Step 6: Final answer
    x = 129,787.15

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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.