Home / 158,735.42-219,057.58-87,122.10

Finding the Fourth Proportional to 158,735.42, 219,057.58 and 87,122.10

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Solution

The fourth proportional to 158,735.42, 219,057.58 and 87,122.10 is: 120,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,735.42 : 219,057.58 = 87,122.10 : x
  2. Step 2: Convert to fraction form
    158,735.42/219,057.58 = 87,122.10/x
  3. Step 3: Cross multiply
    158,735.42x = 219,057.58 × 87,122.10
  4. Step 4: Simplify right side
    158,735.42x = 19,084,756,390.52
  5. Step 5: Solve for x
    x = 19,084,756,390.52/158,735.42
  6. Step 6: Final answer
    x = 120,229.98

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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.