Home / 147,799.54-203,979.63-84,127.06

Finding the Fourth Proportional to 147,799.54, 203,979.63 and 84,127.06

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Solution

The fourth proportional to 147,799.54, 203,979.63 and 84,127.06 is: 116,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,799.54 : 203,979.63 = 84,127.06 : x
  2. Step 2: Convert to fraction form
    147,799.54/203,979.63 = 84,127.06/x
  3. Step 3: Cross multiply
    147,799.54x = 203,979.63 × 84,127.06
  4. Step 4: Simplify right side
    147,799.54x = 17,160,206,571.79
  5. Step 5: Solve for x
    x = 17,160,206,571.79/147,799.54
  6. Step 6: Final answer
    x = 116,104.60

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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.