Home / 158,873.32-219,258.12-87,267.16

Finding the Fourth Proportional to 158,873.32, 219,258.12 and 87,267.16

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Solution

The fourth proportional to 158,873.32, 219,258.12 and 87,267.16 is: 120,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,873.32 : 219,258.12 = 87,267.16 : x
  2. Step 2: Convert to fraction form
    158,873.32/219,258.12 = 87,267.16/x
  3. Step 3: Cross multiply
    158,873.32x = 219,258.12 × 87,267.16
  4. Step 4: Simplify right side
    158,873.32x = 19,134,033,439.34
  5. Step 5: Solve for x
    x = 19,134,033,439.34/158,873.32
  6. Step 6: Final answer
    x = 120,435.79

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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.