Home / 121,338.54-181,058.57-108,730.17

Finding the Fourth Proportional to 121,338.54, 181,058.57 and 108,730.17

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Solution

The fourth proportional to 121,338.54, 181,058.57 and 108,730.17 is: 162,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,338.54 : 181,058.57 = 108,730.17 : x
  2. Step 2: Convert to fraction form
    121,338.54/181,058.57 = 108,730.17/x
  3. Step 3: Cross multiply
    121,338.54x = 181,058.57 × 108,730.17
  4. Step 4: Simplify right side
    121,338.54x = 19,686,529,096.06
  5. Step 5: Solve for x
    x = 19,686,529,096.06/121,338.54
  6. Step 6: Final answer
    x = 162,244.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.