Home / 251,106.14-346,528.92-137,928.90

Finding the Fourth Proportional to 251,106.14, 346,528.92 and 137,928.90

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Solution

The fourth proportional to 251,106.14, 346,528.92 and 137,928.90 is: 190,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,106.14 : 346,528.92 = 137,928.90 : x
  2. Step 2: Convert to fraction form
    251,106.14/346,528.92 = 137,928.90/x
  3. Step 3: Cross multiply
    251,106.14x = 346,528.92 × 137,928.90
  4. Step 4: Simplify right side
    251,106.14x = 47,796,352,753.79
  5. Step 5: Solve for x
    x = 47,796,352,753.79/251,106.14
  6. Step 6: Final answer
    x = 190,343.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.