Home / 181,338.06-272,162.61-74,802.54

Finding the Fourth Proportional to 181,338.06, 272,162.61 and 74,802.54

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Solution

The fourth proportional to 181,338.06, 272,162.61 and 74,802.54 is: 112,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,338.06 : 272,162.61 = 74,802.54 : x
  2. Step 2: Convert to fraction form
    181,338.06/272,162.61 = 74,802.54/x
  3. Step 3: Cross multiply
    181,338.06x = 272,162.61 × 74,802.54
  4. Step 4: Simplify right side
    181,338.06x = 20,358,454,521.03
  5. Step 5: Solve for x
    x = 20,358,454,521.03/181,338.06
  6. Step 6: Final answer
    x = 112,267.96

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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.