Home / 119,228.95-178,732.25-40,287.97

Finding the Fourth Proportional to 119,228.95, 178,732.25 and 40,287.97

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Solution

The fourth proportional to 119,228.95, 178,732.25 and 40,287.97 is: 60,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,228.95 : 178,732.25 = 40,287.97 : x
  2. Step 2: Convert to fraction form
    119,228.95/178,732.25 = 40,287.97/x
  3. Step 3: Cross multiply
    119,228.95x = 178,732.25 × 40,287.97
  4. Step 4: Simplify right side
    119,228.95x = 7,200,759,526.03
  5. Step 5: Solve for x
    x = 7,200,759,526.03/119,228.95
  6. Step 6: Final answer
    x = 60,394.39

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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.