Home / 137,437.87-206,012.93-57,521.63

Finding the Fourth Proportional to 137,437.87, 206,012.93 and 57,521.63

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Solution

The fourth proportional to 137,437.87, 206,012.93 and 57,521.63 is: 86,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,437.87 : 206,012.93 = 57,521.63 : x
  2. Step 2: Convert to fraction form
    137,437.87/206,012.93 = 57,521.63/x
  3. Step 3: Cross multiply
    137,437.87x = 206,012.93 × 57,521.63
  4. Step 4: Simplify right side
    137,437.87x = 11,850,199,534.68
  5. Step 5: Solve for x
    x = 11,850,199,534.68/137,437.87
  6. Step 6: Final answer
    x = 86,222.23

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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.