Home / 159,583.60-220,230-87,968.24

Finding the Fourth Proportional to 159,583.60, 220,230 and 87,968.24

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Solution

The fourth proportional to 159,583.60, 220,230 and 87,968.24 is: 121,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,583.60 : 220,230 = 87,968.24 : x
  2. Step 2: Convert to fraction form
    159,583.60/220,230 = 87,968.24/x
  3. Step 3: Cross multiply
    159,583.60x = 220,230 × 87,968.24
  4. Step 4: Simplify right side
    159,583.60x = 19,373,245,495.20
  5. Step 5: Solve for x
    x = 19,373,245,495.20/159,583.60
  6. Step 6: Final answer
    x = 121,398.72

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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.