Home / 159,509.20-238,968.60-92,981.20

Finding the Fourth Proportional to 159,509.20, 238,968.60 and 92,981.20

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Solution

The fourth proportional to 159,509.20, 238,968.60 and 92,981.20 is: 139,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,509.20 : 238,968.60 = 92,981.20 : x
  2. Step 2: Convert to fraction form
    159,509.20/238,968.60 = 92,981.20/x
  3. Step 3: Cross multiply
    159,509.20x = 238,968.60 × 92,981.20
  4. Step 4: Simplify right side
    159,509.20x = 22,219,587,190.32
  5. Step 5: Solve for x
    x = 22,219,587,190.32/159,509.20
  6. Step 6: Final answer
    x = 139,299.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.