Home / 159,074.32-219,435.72-97,787.20

Finding the Fourth Proportional to 159,074.32, 219,435.72 and 97,787.20

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Solution

The fourth proportional to 159,074.32, 219,435.72 and 97,787.20 is: 134,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,074.32 : 219,435.72 = 97,787.20 : x
  2. Step 2: Convert to fraction form
    159,074.32/219,435.72 = 97,787.20/x
  3. Step 3: Cross multiply
    159,074.32x = 219,435.72 × 97,787.20
  4. Step 4: Simplify right side
    159,074.32x = 21,458,004,638.78
  5. Step 5: Solve for x
    x = 21,458,004,638.78/159,074.32
  6. Step 6: Final answer
    x = 134,892.95

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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.