Home / 113,138.64-169,726.32-38,263.35

Finding the Fourth Proportional to 113,138.64, 169,726.32 and 38,263.35

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Solution

The fourth proportional to 113,138.64, 169,726.32 and 38,263.35 is: 57,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,138.64 : 169,726.32 = 38,263.35 : x
  2. Step 2: Convert to fraction form
    113,138.64/169,726.32 = 38,263.35/x
  3. Step 3: Cross multiply
    113,138.64x = 169,726.32 × 38,263.35
  4. Step 4: Simplify right side
    113,138.64x = 6,494,297,586.37
  5. Step 5: Solve for x
    x = 6,494,297,586.37/113,138.64
  6. Step 6: Final answer
    x = 57,401.23

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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.