Home / 251,181.16-346,628.61-136,458.89

Finding the Fourth Proportional to 251,181.16, 346,628.61 and 136,458.89

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Solution

The fourth proportional to 251,181.16, 346,628.61 and 136,458.89 is: 188,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,181.16 : 346,628.61 = 136,458.89 : x
  2. Step 2: Convert to fraction form
    251,181.16/346,628.61 = 136,458.89/x
  3. Step 3: Cross multiply
    251,181.16x = 346,628.61 × 136,458.89
  4. Step 4: Simplify right side
    251,181.16x = 47,300,552,947.41
  5. Step 5: Solve for x
    x = 47,300,552,947.41/251,181.16
  6. Step 6: Final answer
    x = 188,312.50

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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.