Home / 150,570.14-207,265.32-130,142.90

Finding the Fourth Proportional to 150,570.14, 207,265.32 and 130,142.90

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Solution

The fourth proportional to 150,570.14, 207,265.32 and 130,142.90 is: 179,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,570.14 : 207,265.32 = 130,142.90 : x
  2. Step 2: Convert to fraction form
    150,570.14/207,265.32 = 130,142.90/x
  3. Step 3: Cross multiply
    150,570.14x = 207,265.32 × 130,142.90
  4. Step 4: Simplify right side
    150,570.14x = 26,974,109,814.23
  5. Step 5: Solve for x
    x = 26,974,109,814.23/150,570.14
  6. Step 6: Final answer
    x = 179,146.47

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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.