Home / 137,012.03-205,518.14-37,172.21

Finding the Fourth Proportional to 137,012.03, 205,518.14 and 37,172.21

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Solution

The fourth proportional to 137,012.03, 205,518.14 and 37,172.21 is: 55,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,012.03 : 205,518.14 = 37,172.21 : x
  2. Step 2: Convert to fraction form
    137,012.03/205,518.14 = 37,172.21/x
  3. Step 3: Cross multiply
    137,012.03x = 205,518.14 × 37,172.21
  4. Step 4: Simplify right side
    137,012.03x = 7,639,564,617.00
  5. Step 5: Solve for x
    x = 7,639,564,617.00/137,012.03
  6. Step 6: Final answer
    x = 55,758.35

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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.