Home / 642,374.08-963,486.60-169,096.34

Finding the Fourth Proportional to 642,374.08, 963,486.60 and 169,096.34

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Solution

The fourth proportional to 642,374.08, 963,486.60 and 169,096.34 is: 253,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,374.08 : 963,486.60 = 169,096.34 : x
  2. Step 2: Convert to fraction form
    642,374.08/963,486.60 = 169,096.34/x
  3. Step 3: Cross multiply
    642,374.08x = 963,486.60 × 169,096.34
  4. Step 4: Simplify right side
    642,374.08x = 162,922,059,473.65
  5. Step 5: Solve for x
    x = 162,922,059,473.65/642,374.08
  6. Step 6: Final answer
    x = 253,624.90

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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.