Home / 251,436.18-346,981.94-138,258.93

Finding the Fourth Proportional to 251,436.18, 346,981.94 and 138,258.93

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Solution

The fourth proportional to 251,436.18, 346,981.94 and 138,258.93 is: 190,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,436.18 : 346,981.94 = 138,258.93 : x
  2. Step 2: Convert to fraction form
    251,436.18/346,981.94 = 138,258.93/x
  3. Step 3: Cross multiply
    251,436.18x = 346,981.94 × 138,258.93
  4. Step 4: Simplify right side
    251,436.18x = 47,973,351,753.72
  5. Step 5: Solve for x
    x = 47,973,351,753.72/251,436.18
  6. Step 6: Final answer
    x = 190,797.33

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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.