Home / 212,698.72-293,537.28-117,205.36

Finding the Fourth Proportional to 212,698.72, 293,537.28 and 117,205.36

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Solution

The fourth proportional to 212,698.72, 293,537.28 and 117,205.36 is: 161,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,698.72 : 293,537.28 = 117,205.36 : x
  2. Step 2: Convert to fraction form
    212,698.72/293,537.28 = 117,205.36/x
  3. Step 3: Cross multiply
    212,698.72x = 293,537.28 × 117,205.36
  4. Step 4: Simplify right side
    212,698.72x = 34,404,142,575.82
  5. Step 5: Solve for x
    x = 34,404,142,575.82/212,698.72
  6. Step 6: Final answer
    x = 161,750.59

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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.