Home / 119,176.60-178,712.10-40,269.40

Finding the Fourth Proportional to 119,176.60, 178,712.10 and 40,269.40

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Solution

The fourth proportional to 119,176.60, 178,712.10 and 40,269.40 is: 60,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,176.60 : 178,712.10 = 40,269.40 : x
  2. Step 2: Convert to fraction form
    119,176.60/178,712.10 = 40,269.40/x
  3. Step 3: Cross multiply
    119,176.60x = 178,712.10 × 40,269.40
  4. Step 4: Simplify right side
    119,176.60x = 7,196,629,039.74
  5. Step 5: Solve for x
    x = 7,196,629,039.74/119,176.60
  6. Step 6: Final answer
    x = 60,386.26

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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.