Home / 94,607.28-141,901.20-31,431.60

Finding the Fourth Proportional to 94,607.28, 141,901.20 and 31,431.60

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Solution

The fourth proportional to 94,607.28, 141,901.20 and 31,431.60 is: 47,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,607.28 : 141,901.20 = 31,431.60 : x
  2. Step 2: Convert to fraction form
    94,607.28/141,901.20 = 31,431.60/x
  3. Step 3: Cross multiply
    94,607.28x = 141,901.20 × 31,431.60
  4. Step 4: Simplify right side
    94,607.28x = 4,460,181,757.92
  5. Step 5: Solve for x
    x = 4,460,181,757.92/94,607.28
  6. Step 6: Final answer
    x = 47,144.17

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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.