Home / 119,190.28-178,808.46-40,317.34

Finding the Fourth Proportional to 119,190.28, 178,808.46 and 40,317.34

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Solution

The fourth proportional to 119,190.28, 178,808.46 and 40,317.34 is: 60,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,190.28 : 178,808.46 = 40,317.34 : x
  2. Step 2: Convert to fraction form
    119,190.28/178,808.46 = 40,317.34/x
  3. Step 3: Cross multiply
    119,190.28x = 178,808.46 × 40,317.34
  4. Step 4: Simplify right side
    119,190.28x = 7,209,081,476.70
  5. Step 5: Solve for x
    x = 7,209,081,476.70/119,190.28
  6. Step 6: Final answer
    x = 60,483.80

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1.5x scale

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.