Home / 137,051.47-205,606.52-40,996.21

Finding the Fourth Proportional to 137,051.47, 205,606.52 and 40,996.21

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Solution

The fourth proportional to 137,051.47, 205,606.52 and 40,996.21 is: 61,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,051.47 : 205,606.52 = 40,996.21 : x
  2. Step 2: Convert to fraction form
    137,051.47/205,606.52 = 40,996.21/x
  3. Step 3: Cross multiply
    137,051.47x = 205,606.52 × 40,996.21
  4. Step 4: Simplify right side
    137,051.47x = 8,429,087,414.60
  5. Step 5: Solve for x
    x = 8,429,087,414.60/137,051.47
  6. Step 6: Final answer
    x = 61,503.08

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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.