Home / 150,147.28-207,182.28-127,577.68

Finding the Fourth Proportional to 150,147.28, 207,182.28 and 127,577.68

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Solution

The fourth proportional to 150,147.28, 207,182.28 and 127,577.68 is: 176,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,147.28 : 207,182.28 = 127,577.68 : x
  2. Step 2: Convert to fraction form
    150,147.28/207,182.28 = 127,577.68/x
  3. Step 3: Cross multiply
    150,147.28x = 207,182.28 × 127,577.68
  4. Step 4: Simplify right side
    150,147.28x = 26,431,834,619.51
  5. Step 5: Solve for x
    x = 26,431,834,619.51/150,147.28
  6. Step 6: Final answer
    x = 176,039.38

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1.5x scale

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.