Home / 163,945.80-245,918.70-154,096.20

Finding the Fourth Proportional to 163,945.80, 245,918.70 and 154,096.20

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Solution

The fourth proportional to 163,945.80, 245,918.70 and 154,096.20 is: 231,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,945.80 : 245,918.70 = 154,096.20 : x
  2. Step 2: Convert to fraction form
    163,945.80/245,918.70 = 154,096.20/x
  3. Step 3: Cross multiply
    163,945.80x = 245,918.70 × 154,096.20
  4. Step 4: Simplify right side
    163,945.80x = 37,895,137,178.94
  5. Step 5: Solve for x
    x = 37,895,137,178.94/163,945.80
  6. Step 6: Final answer
    x = 231,144.30

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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.