Home / 189,376.12-284,442.60-118,424.96

Finding the Fourth Proportional to 189,376.12, 284,442.60 and 118,424.96

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Solution

The fourth proportional to 189,376.12, 284,442.60 and 118,424.96 is: 177,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,376.12 : 284,442.60 = 118,424.96 : x
  2. Step 2: Convert to fraction form
    189,376.12/284,442.60 = 118,424.96/x
  3. Step 3: Cross multiply
    189,376.12x = 284,442.60 × 118,424.96
  4. Step 4: Simplify right side
    189,376.12x = 33,685,103,527.30
  5. Step 5: Solve for x
    x = 33,685,103,527.30/189,376.12
  6. Step 6: Final answer
    x = 177,874.08

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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.