Home / 102,435.31-153,651.13-39,238.30

Finding the Fourth Proportional to 102,435.31, 153,651.13 and 39,238.30

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Solution

The fourth proportional to 102,435.31, 153,651.13 and 39,238.30 is: 58,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,435.31 : 153,651.13 = 39,238.30 : x
  2. Step 2: Convert to fraction form
    102,435.31/153,651.13 = 39,238.30/x
  3. Step 3: Cross multiply
    102,435.31x = 153,651.13 × 39,238.30
  4. Step 4: Simplify right side
    102,435.31x = 6,029,009,134.28
  5. Step 5: Solve for x
    x = 6,029,009,134.28/102,435.31
  6. Step 6: Final answer
    x = 58,856.75

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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.