Home / 251,015.23-346,396.65-137,837.17

Finding the Fourth Proportional to 251,015.23, 346,396.65 and 137,837.17

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Solution

The fourth proportional to 251,015.23, 346,396.65 and 137,837.17 is: 190,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,015.23 : 346,396.65 = 137,837.17 : x
  2. Step 2: Convert to fraction form
    251,015.23/346,396.65 = 137,837.17/x
  3. Step 3: Cross multiply
    251,015.23x = 346,396.65 × 137,837.17
  4. Step 4: Simplify right side
    251,015.23x = 47,746,333,933.48
  5. Step 5: Solve for x
    x = 47,746,333,933.48/251,015.23
  6. Step 6: Final answer
    x = 190,212.90

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1.5x scale

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.