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Finding the Fourth Proportional to 173,535, 239,478.46 and 94,047

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Solution

The fourth proportional to 173,535, 239,478.46 and 94,047 is: 129,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,535 : 239,478.46 = 94,047 : x
  2. Step 2: Convert to fraction form
    173,535/239,478.46 = 94,047/x
  3. Step 3: Cross multiply
    173,535x = 239,478.46 × 94,047
  4. Step 4: Simplify right side
    173,535x = 22,522,230,727.62
  5. Step 5: Solve for x
    x = 22,522,230,727.62/173,535
  6. Step 6: Final answer
    x = 129,784.95

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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.