Home / 170,201.31-255,220.47-99,144.14

Finding the Fourth Proportional to 170,201.31, 255,220.47 and 99,144.14

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Solution

The fourth proportional to 170,201.31, 255,220.47 and 99,144.14 is: 148,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,201.31 : 255,220.47 = 99,144.14 : x
  2. Step 2: Convert to fraction form
    170,201.31/255,220.47 = 99,144.14/x
  3. Step 3: Cross multiply
    170,201.31x = 255,220.47 × 99,144.14
  4. Step 4: Simplify right side
    170,201.31x = 25,303,614,146.14
  5. Step 5: Solve for x
    x = 25,303,614,146.14/170,201.31
  6. Step 6: Final answer
    x = 148,668.74

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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.