Home / 119,154.78-178,518.96-79,592.04

Finding the Fourth Proportional to 119,154.78, 178,518.96 and 79,592.04

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Solution

The fourth proportional to 119,154.78, 178,518.96 and 79,592.04 is: 119,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,154.78 : 178,518.96 = 79,592.04 : x
  2. Step 2: Convert to fraction form
    119,154.78/178,518.96 = 79,592.04/x
  3. Step 3: Cross multiply
    119,154.78x = 178,518.96 × 79,592.04
  4. Step 4: Simplify right side
    119,154.78x = 14,208,688,205.08
  5. Step 5: Solve for x
    x = 14,208,688,205.08/119,154.78
  6. Step 6: Final answer
    x = 119,245.64

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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.