Home / 113,008.53-169,538.67-48,977.42

Finding the Fourth Proportional to 113,008.53, 169,538.67 and 48,977.42

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Solution

The fourth proportional to 113,008.53, 169,538.67 and 48,977.42 is: 73,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,008.53 : 169,538.67 = 48,977.42 : x
  2. Step 2: Convert to fraction form
    113,008.53/169,538.67 = 48,977.42/x
  3. Step 3: Cross multiply
    113,008.53x = 169,538.67 × 48,977.42
  4. Step 4: Simplify right side
    113,008.53x = 8,303,565,982.80
  5. Step 5: Solve for x
    x = 8,303,565,982.80/113,008.53
  6. Step 6: Final answer
    x = 73,477.34

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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.