Home / 137,043.08-205,539.51-62,145.21

Finding the Fourth Proportional to 137,043.08, 205,539.51 and 62,145.21

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Solution

The fourth proportional to 137,043.08, 205,539.51 and 62,145.21 is: 93,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,043.08 : 205,539.51 = 62,145.21 : x
  2. Step 2: Convert to fraction form
    137,043.08/205,539.51 = 62,145.21/x
  3. Step 3: Cross multiply
    137,043.08x = 205,539.51 × 62,145.21
  4. Step 4: Simplify right side
    137,043.08x = 12,773,296,012.25
  5. Step 5: Solve for x
    x = 12,773,296,012.25/137,043.08
  6. Step 6: Final answer
    x = 93,206.43

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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.