Home / 150,808.86-208,091.34-87,152.58

Finding the Fourth Proportional to 150,808.86, 208,091.34 and 87,152.58

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Solution

The fourth proportional to 150,808.86, 208,091.34 and 87,152.58 is: 120,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,808.86 : 208,091.34 = 87,152.58 : x
  2. Step 2: Convert to fraction form
    150,808.86/208,091.34 = 87,152.58/x
  3. Step 3: Cross multiply
    150,808.86x = 208,091.34 × 87,152.58
  4. Step 4: Simplify right side
    150,808.86x = 18,135,697,156.66
  5. Step 5: Solve for x
    x = 18,135,697,156.66/150,808.86
  6. Step 6: Final answer
    x = 120,256.18

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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.