Home / 251,336.46-346,835.52-138,158.40

Finding the Fourth Proportional to 251,336.46, 346,835.52 and 138,158.40

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Solution

The fourth proportional to 251,336.46, 346,835.52 and 138,158.40 is: 190,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,336.46 : 346,835.52 = 138,158.40 : x
  2. Step 2: Convert to fraction form
    251,336.46/346,835.52 = 138,158.40/x
  3. Step 3: Cross multiply
    251,336.46x = 346,835.52 × 138,158.40
  4. Step 4: Simplify right side
    251,336.46x = 47,918,240,506.37
  5. Step 5: Solve for x
    x = 47,918,240,506.37/251,336.46
  6. Step 6: Final answer
    x = 190,653.76

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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.