Home / 137,948.87-207,068.09-122,254.31

Finding the Fourth Proportional to 137,948.87, 207,068.09 and 122,254.31

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Solution

The fourth proportional to 137,948.87, 207,068.09 and 122,254.31 is: 183,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,948.87 : 207,068.09 = 122,254.31 : x
  2. Step 2: Convert to fraction form
    137,948.87/207,068.09 = 122,254.31/x
  3. Step 3: Cross multiply
    137,948.87x = 207,068.09 × 122,254.31
  4. Step 4: Simplify right side
    137,948.87x = 25,314,964,819.36
  5. Step 5: Solve for x
    x = 25,314,964,819.36/137,948.87
  6. Step 6: Final answer
    x = 183,509.77

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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.