Home / 137,665.24-206,415.26-47,678.36

Finding the Fourth Proportional to 137,665.24, 206,415.26 and 47,678.36

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Solution

The fourth proportional to 137,665.24, 206,415.26 and 47,678.36 is: 71,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,665.24 : 206,415.26 = 47,678.36 : x
  2. Step 2: Convert to fraction form
    137,665.24/206,415.26 = 47,678.36/x
  3. Step 3: Cross multiply
    137,665.24x = 206,415.26 × 47,678.36
  4. Step 4: Simplify right side
    137,665.24x = 9,841,541,075.77
  5. Step 5: Solve for x
    x = 9,841,541,075.77/137,665.24
  6. Step 6: Final answer
    x = 71,488.93

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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.