Home / 150,860.26-208,224.58-87,188.86

Finding the Fourth Proportional to 150,860.26, 208,224.58 and 87,188.86

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Solution

The fourth proportional to 150,860.26, 208,224.58 and 87,188.86 is: 120,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,860.26 : 208,224.58 = 87,188.86 : x
  2. Step 2: Convert to fraction form
    150,860.26/208,224.58 = 87,188.86/x
  3. Step 3: Cross multiply
    150,860.26x = 208,224.58 × 87,188.86
  4. Step 4: Simplify right side
    150,860.26x = 18,154,863,754.18
  5. Step 5: Solve for x
    x = 18,154,863,754.18/150,860.26
  6. Step 6: Final answer
    x = 120,342.25

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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.