Home / 212,653.53-293,504.31-122,070.69

Finding the Fourth Proportional to 212,653.53, 293,504.31 and 122,070.69

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Solution

The fourth proportional to 212,653.53, 293,504.31 and 122,070.69 is: 168,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,653.53 : 293,504.31 = 122,070.69 : x
  2. Step 2: Convert to fraction form
    212,653.53/293,504.31 = 122,070.69/x
  3. Step 3: Cross multiply
    212,653.53x = 293,504.31 × 122,070.69
  4. Step 4: Simplify right side
    212,653.53x = 35,828,273,639.67
  5. Step 5: Solve for x
    x = 35,828,273,639.67/212,653.53
  6. Step 6: Final answer
    x = 168,481.91

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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.