Home / 150,941.56-208,253.82-90,490.12

Finding the Fourth Proportional to 150,941.56, 208,253.82 and 90,490.12

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Solution

The fourth proportional to 150,941.56, 208,253.82 and 90,490.12 is: 124,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,941.56 : 208,253.82 = 90,490.12 : x
  2. Step 2: Convert to fraction form
    150,941.56/208,253.82 = 90,490.12/x
  3. Step 3: Cross multiply
    150,941.56x = 208,253.82 × 90,490.12
  4. Step 4: Simplify right side
    150,941.56x = 18,844,913,162.26
  5. Step 5: Solve for x
    x = 18,844,913,162.26/150,941.56
  6. Step 6: Final answer
    x = 124,849.07

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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.