Home / 159,385.32-219,928.37-90,464.14

Finding the Fourth Proportional to 159,385.32, 219,928.37 and 90,464.14

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Solution

The fourth proportional to 159,385.32, 219,928.37 and 90,464.14 is: 124,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,385.32 : 219,928.37 = 90,464.14 : x
  2. Step 2: Convert to fraction form
    159,385.32/219,928.37 = 90,464.14/x
  3. Step 3: Cross multiply
    159,385.32x = 219,928.37 × 90,464.14
  4. Step 4: Simplify right side
    159,385.32x = 19,895,630,676.24
  5. Step 5: Solve for x
    x = 19,895,630,676.24/159,385.32
  6. Step 6: Final answer
    x = 124,827.25

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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.