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Finding the Fourth Proportional to 169,851.40, 234,408 and 101,870.98

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Solution

The fourth proportional to 169,851.40, 234,408 and 101,870.98 is: 140,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,851.40 : 234,408 = 101,870.98 : x
  2. Step 2: Convert to fraction form
    169,851.40/234,408 = 101,870.98/x
  3. Step 3: Cross multiply
    169,851.40x = 234,408 × 101,870.98
  4. Step 4: Simplify right side
    169,851.40x = 23,879,372,679.84
  5. Step 5: Solve for x
    x = 23,879,372,679.84/169,851.40
  6. Step 6: Final answer
    x = 140,589.79

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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.