Home / 137,830.17-206,719.16-37,965.45

Finding the Fourth Proportional to 137,830.17, 206,719.16 and 37,965.45

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Solution

The fourth proportional to 137,830.17, 206,719.16 and 37,965.45 is: 56,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,830.17 : 206,719.16 = 37,965.45 : x
  2. Step 2: Convert to fraction form
    137,830.17/206,719.16 = 37,965.45/x
  3. Step 3: Cross multiply
    137,830.17x = 206,719.16 × 37,965.45
  4. Step 4: Simplify right side
    137,830.17x = 7,848,185,743.19
  5. Step 5: Solve for x
    x = 7,848,185,743.19/137,830.17
  6. Step 6: Final answer
    x = 56,940.99

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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.