Home / 218,232.51-301,137.39-122,718.93

Finding the Fourth Proportional to 218,232.51, 301,137.39 and 122,718.93

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Solution

The fourth proportional to 218,232.51, 301,137.39 and 122,718.93 is: 169,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,232.51 : 301,137.39 = 122,718.93 : x
  2. Step 2: Convert to fraction form
    218,232.51/301,137.39 = 122,718.93/x
  3. Step 3: Cross multiply
    218,232.51x = 301,137.39 × 122,718.93
  4. Step 4: Simplify right side
    218,232.51x = 36,955,258,283.79
  5. Step 5: Solve for x
    x = 36,955,258,283.79/218,232.51
  6. Step 6: Final answer
    x = 169,338.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.