Home / 137,619.93-206,428.05-37,780.01

Finding the Fourth Proportional to 137,619.93, 206,428.05 and 37,780.01

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Solution

The fourth proportional to 137,619.93, 206,428.05 and 37,780.01 is: 56,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,619.93 : 206,428.05 = 37,780.01 : x
  2. Step 2: Convert to fraction form
    137,619.93/206,428.05 = 37,780.01/x
  3. Step 3: Cross multiply
    137,619.93x = 206,428.05 × 37,780.01
  4. Step 4: Simplify right side
    137,619.93x = 7,798,852,761.14
  5. Step 5: Solve for x
    x = 7,798,852,761.14/137,619.93
  6. Step 6: Final answer
    x = 56,669.50

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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.