Home / 194,635.10-291,995.85-89,428.70

Finding the Fourth Proportional to 194,635.10, 291,995.85 and 89,428.70

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Solution

The fourth proportional to 194,635.10, 291,995.85 and 89,428.70 is: 134,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,635.10 : 291,995.85 = 89,428.70 : x
  2. Step 2: Convert to fraction form
    194,635.10/291,995.85 = 89,428.70/x
  3. Step 3: Cross multiply
    194,635.10x = 291,995.85 × 89,428.70
  4. Step 4: Simplify right side
    194,635.10x = 26,112,809,270.90
  5. Step 5: Solve for x
    x = 26,112,809,270.90/194,635.10
  6. Step 6: Final answer
    x = 134,162.90

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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.