Home / 609,185.14-913,807.95-159,907.30

Finding the Fourth Proportional to 609,185.14, 913,807.95 and 159,907.30

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Solution

The fourth proportional to 609,185.14, 913,807.95 and 159,907.30 is: 239,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,185.14 : 913,807.95 = 159,907.30 : x
  2. Step 2: Convert to fraction form
    609,185.14/913,807.95 = 159,907.30/x
  3. Step 3: Cross multiply
    609,185.14x = 913,807.95 × 159,907.30
  4. Step 4: Simplify right side
    609,185.14x = 146,124,562,003.04
  5. Step 5: Solve for x
    x = 146,124,562,003.04/609,185.14
  6. Step 6: Final answer
    x = 239,868.89

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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.