Home / 201,744.02-278,313.20-130,147.10

Finding the Fourth Proportional to 201,744.02, 278,313.20 and 130,147.10

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Solution

The fourth proportional to 201,744.02, 278,313.20 and 130,147.10 is: 179,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,744.02 : 278,313.20 = 130,147.10 : x
  2. Step 2: Convert to fraction form
    201,744.02/278,313.20 = 130,147.10/x
  3. Step 3: Cross multiply
    201,744.02x = 278,313.20 × 130,147.10
  4. Step 4: Simplify right side
    201,744.02x = 36,221,655,871.72
  5. Step 5: Solve for x
    x = 36,221,655,871.72/201,744.02
  6. Step 6: Final answer
    x = 179,542.65

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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.