Home / 180,639.02-271,126.65-91,958.91

Finding the Fourth Proportional to 180,639.02, 271,126.65 and 91,958.91

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Solution

The fourth proportional to 180,639.02, 271,126.65 and 91,958.91 is: 138,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,639.02 : 271,126.65 = 91,958.91 : x
  2. Step 2: Convert to fraction form
    180,639.02/271,126.65 = 91,958.91/x
  3. Step 3: Cross multiply
    180,639.02x = 271,126.65 × 91,958.91
  4. Step 4: Simplify right side
    180,639.02x = 24,932,510,746.16
  5. Step 5: Solve for x
    x = 24,932,510,746.16/180,639.02
  6. Step 6: Final answer
    x = 138,023.95

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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.