Home / 103,629.30-155,443.95-37,071.60

Finding the Fourth Proportional to 103,629.30, 155,443.95 and 37,071.60

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Solution

The fourth proportional to 103,629.30, 155,443.95 and 37,071.60 is: 55,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.30 : 155,443.95 = 37,071.60 : x
  2. Step 2: Convert to fraction form
    103,629.30/155,443.95 = 37,071.60/x
  3. Step 3: Cross multiply
    103,629.30x = 155,443.95 × 37,071.60
  4. Step 4: Simplify right side
    103,629.30x = 5,762,555,936.82
  5. Step 5: Solve for x
    x = 5,762,555,936.82/103,629.30
  6. Step 6: Final answer
    x = 55,607.40

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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.