Home / 159,895.32-220,652.06-87,295.74

Finding the Fourth Proportional to 159,895.32, 220,652.06 and 87,295.74

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Solution

The fourth proportional to 159,895.32, 220,652.06 and 87,295.74 is: 120,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,895.32 : 220,652.06 = 87,295.74 : x
  2. Step 2: Convert to fraction form
    159,895.32/220,652.06 = 87,295.74/x
  3. Step 3: Cross multiply
    159,895.32x = 220,652.06 × 87,295.74
  4. Step 4: Simplify right side
    159,895.32x = 19,261,984,860.22
  5. Step 5: Solve for x
    x = 19,261,984,860.22/159,895.32
  6. Step 6: Final answer
    x = 120,466.22

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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.