Home / 150,825.60-208,116.12-87,151.08

Finding the Fourth Proportional to 150,825.60, 208,116.12 and 87,151.08

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Solution

The fourth proportional to 150,825.60, 208,116.12 and 87,151.08 is: 120,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,825.60 : 208,116.12 = 87,151.08 : x
  2. Step 2: Convert to fraction form
    150,825.60/208,116.12 = 87,151.08/x
  3. Step 3: Cross multiply
    150,825.60x = 208,116.12 × 87,151.08
  4. Step 4: Simplify right side
    150,825.60x = 18,137,544,623.41
  5. Step 5: Solve for x
    x = 18,137,544,623.41/150,825.60
  6. Step 6: Final answer
    x = 120,255.08

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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.