Home / 119,061.39-178,642.06-74,120.33

Finding the Fourth Proportional to 119,061.39, 178,642.06 and 74,120.33

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Solution

The fourth proportional to 119,061.39, 178,642.06 and 74,120.33 is: 111,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,061.39 : 178,642.06 = 74,120.33 : x
  2. Step 2: Convert to fraction form
    119,061.39/178,642.06 = 74,120.33/x
  3. Step 3: Cross multiply
    119,061.39x = 178,642.06 × 74,120.33
  4. Step 4: Simplify right side
    119,061.39x = 13,241,009,428.99
  5. Step 5: Solve for x
    x = 13,241,009,428.99/119,061.39
  6. Step 6: Final answer
    x = 111,211.61

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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.