Home / 117,410.24-176,140.88-38,521.51

Finding the Fourth Proportional to 117,410.24, 176,140.88 and 38,521.51

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Solution

The fourth proportional to 117,410.24, 176,140.88 and 38,521.51 is: 57,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,410.24 : 176,140.88 = 38,521.51 : x
  2. Step 2: Convert to fraction form
    117,410.24/176,140.88 = 38,521.51/x
  3. Step 3: Cross multiply
    117,410.24x = 176,140.88 × 38,521.51
  4. Step 4: Simplify right side
    117,410.24x = 6,785,212,181.82
  5. Step 5: Solve for x
    x = 6,785,212,181.82/117,410.24
  6. Step 6: Final answer
    x = 57,790.63

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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.