Home / 251,021.75-346,412.45-137,846.93

Finding the Fourth Proportional to 251,021.75, 346,412.45 and 137,846.93

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Solution

The fourth proportional to 251,021.75, 346,412.45 and 137,846.93 is: 190,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,021.75 : 346,412.45 = 137,846.93 : x
  2. Step 2: Convert to fraction form
    251,021.75/346,412.45 = 137,846.93/x
  3. Step 3: Cross multiply
    251,021.75x = 346,412.45 × 137,846.93
  4. Step 4: Simplify right side
    251,021.75x = 47,751,892,746.28
  5. Step 5: Solve for x
    x = 47,751,892,746.28/251,021.75
  6. Step 6: Final answer
    x = 190,230.10

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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.