Home / 158,823.32-219,174.66-87,202.71

Finding the Fourth Proportional to 158,823.32, 219,174.66 and 87,202.71

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Solution

The fourth proportional to 158,823.32, 219,174.66 and 87,202.71 is: 120,338.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,823.32 : 219,174.66 = 87,202.71 : x
  2. Step 2: Convert to fraction form
    158,823.32/219,174.66 = 87,202.71/x
  3. Step 3: Cross multiply
    158,823.32x = 219,174.66 × 87,202.71
  4. Step 4: Simplify right side
    158,823.32x = 19,112,624,315.33
  5. Step 5: Solve for x
    x = 19,112,624,315.33/158,823.32
  6. Step 6: Final answer
    x = 120,338.91

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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.