Home / 189,539.82-261,470.57-113,005.04

Finding the Fourth Proportional to 189,539.82, 261,470.57 and 113,005.04

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Solution

The fourth proportional to 189,539.82, 261,470.57 and 113,005.04 is: 155,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,539.82 : 261,470.57 = 113,005.04 : x
  2. Step 2: Convert to fraction form
    189,539.82/261,470.57 = 113,005.04/x
  3. Step 3: Cross multiply
    189,539.82x = 261,470.57 × 113,005.04
  4. Step 4: Simplify right side
    189,539.82x = 29,547,490,349.29
  5. Step 5: Solve for x
    x = 29,547,490,349.29/189,539.82
  6. Step 6: Final answer
    x = 155,890.67

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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.