Home / 248,738.04-372,918.42-128,666.36

Finding the Fourth Proportional to 248,738.04, 372,918.42 and 128,666.36

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Solution

The fourth proportional to 248,738.04, 372,918.42 and 128,666.36 is: 192,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,738.04 : 372,918.42 = 128,666.36 : x
  2. Step 2: Convert to fraction form
    248,738.04/372,918.42 = 128,666.36/x
  3. Step 3: Cross multiply
    248,738.04x = 372,918.42 × 128,666.36
  4. Step 4: Simplify right side
    248,738.04x = 47,982,055,678.35
  5. Step 5: Solve for x
    x = 47,982,055,678.35/248,738.04
  6. Step 6: Final answer
    x = 192,901.96

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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.