Home / 119,069.30-178,557.26-47,978.66

Finding the Fourth Proportional to 119,069.30, 178,557.26 and 47,978.66

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Solution

The fourth proportional to 119,069.30, 178,557.26 and 47,978.66 is: 71,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,069.30 : 178,557.26 = 47,978.66 : x
  2. Step 2: Convert to fraction form
    119,069.30/178,557.26 = 47,978.66/x
  3. Step 3: Cross multiply
    119,069.30x = 178,557.26 × 47,978.66
  4. Step 4: Simplify right side
    119,069.30x = 8,566,938,274.57
  5. Step 5: Solve for x
    x = 8,566,938,274.57/119,069.30
  6. Step 6: Final answer
    x = 71,949.18

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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.