Home / 150,738.84-208,039.32-87,077.16

Finding the Fourth Proportional to 150,738.84, 208,039.32 and 87,077.16

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Solution

The fourth proportional to 150,738.84, 208,039.32 and 87,077.16 is: 120,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,738.84 : 208,039.32 = 87,077.16 : x
  2. Step 2: Convert to fraction form
    150,738.84/208,039.32 = 87,077.16/x
  3. Step 3: Cross multiply
    150,738.84x = 208,039.32 × 87,077.16
  4. Step 4: Simplify right side
    150,738.84x = 18,115,473,153.93
  5. Step 5: Solve for x
    x = 18,115,473,153.93/150,738.84
  6. Step 6: Final answer
    x = 120,177.87

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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.