Home / 158,720.53-219,037.02-87,107.22

Finding the Fourth Proportional to 158,720.53, 219,037.02 and 87,107.22

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Solution

The fourth proportional to 158,720.53, 219,037.02 and 87,107.22 is: 120,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,720.53 : 219,037.02 = 87,107.22 : x
  2. Step 2: Convert to fraction form
    158,720.53/219,037.02 = 87,107.22/x
  3. Step 3: Cross multiply
    158,720.53x = 219,037.02 × 87,107.22
  4. Step 4: Simplify right side
    158,720.53x = 19,079,705,889.28
  5. Step 5: Solve for x
    x = 19,079,705,889.28/158,720.53
  6. Step 6: Final answer
    x = 120,209.44

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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.