Home / 138,924.51-208,307.98-44,136.28

Finding the Fourth Proportional to 138,924.51, 208,307.98 and 44,136.28

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Solution

The fourth proportional to 138,924.51, 208,307.98 and 44,136.28 is: 66,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,924.51 : 208,307.98 = 44,136.28 : x
  2. Step 2: Convert to fraction form
    138,924.51/208,307.98 = 44,136.28/x
  3. Step 3: Cross multiply
    138,924.51x = 208,307.98 × 44,136.28
  4. Step 4: Simplify right side
    138,924.51x = 9,193,939,331.51
  5. Step 5: Solve for x
    x = 9,193,939,331.51/138,924.51
  6. Step 6: Final answer
    x = 66,179.39

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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.