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Finding the Fourth Proportional to 170,503.81, 235,289.86 and 94,026.13

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Solution

The fourth proportional to 170,503.81, 235,289.86 and 94,026.13 is: 129,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,503.81 : 235,289.86 = 94,026.13 : x
  2. Step 2: Convert to fraction form
    170,503.81/235,289.86 = 94,026.13/x
  3. Step 3: Cross multiply
    170,503.81x = 235,289.86 × 94,026.13
  4. Step 4: Simplify right side
    170,503.81x = 22,123,394,964.04
  5. Step 5: Solve for x
    x = 22,123,394,964.04/170,503.81
  6. Step 6: Final answer
    x = 129,753.08

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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.