Home / 137,815.30-206,710.80-37,966.60

Finding the Fourth Proportional to 137,815.30, 206,710.80 and 37,966.60

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Solution

The fourth proportional to 137,815.30, 206,710.80 and 37,966.60 is: 56,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,815.30 : 206,710.80 = 37,966.60 : x
  2. Step 2: Convert to fraction form
    137,815.30/206,710.80 = 37,966.60/x
  3. Step 3: Cross multiply
    137,815.30x = 206,710.80 × 37,966.60
  4. Step 4: Simplify right side
    137,815.30x = 7,848,106,259.28
  5. Step 5: Solve for x
    x = 7,848,106,259.28/137,815.30
  6. Step 6: Final answer
    x = 56,946.55

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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.