Home / 159,079.14-219,523.57-87,458.60

Finding the Fourth Proportional to 159,079.14, 219,523.57 and 87,458.60

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Solution

The fourth proportional to 159,079.14, 219,523.57 and 87,458.60 is: 120,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,079.14 : 219,523.57 = 87,458.60 : x
  2. Step 2: Convert to fraction form
    159,079.14/219,523.57 = 87,458.60/x
  3. Step 3: Cross multiply
    159,079.14x = 219,523.57 × 87,458.60
  4. Step 4: Simplify right side
    159,079.14x = 19,199,224,429.36
  5. Step 5: Solve for x
    x = 19,199,224,429.36/159,079.14
  6. Step 6: Final answer
    x = 120,689.77

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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.