Home / 145,481.80-218,125.50-117,436.36

Finding the Fourth Proportional to 145,481.80, 218,125.50 and 117,436.36

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Solution

The fourth proportional to 145,481.80, 218,125.50 and 117,436.36 is: 176,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,481.80 : 218,125.50 = 117,436.36 : x
  2. Step 2: Convert to fraction form
    145,481.80/218,125.50 = 117,436.36/x
  3. Step 3: Cross multiply
    145,481.80x = 218,125.50 × 117,436.36
  4. Step 4: Simplify right side
    145,481.80x = 25,615,864,743.18
  5. Step 5: Solve for x
    x = 25,615,864,743.18/145,481.80
  6. Step 6: Final answer
    x = 176,076.08

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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.