Home / 213,723.07-294,936.64-118,227.72

Finding the Fourth Proportional to 213,723.07, 294,936.64 and 118,227.72

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Solution

The fourth proportional to 213,723.07, 294,936.64 and 118,227.72 is: 163,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,723.07 : 294,936.64 = 118,227.72 : x
  2. Step 2: Convert to fraction form
    213,723.07/294,936.64 = 118,227.72/x
  3. Step 3: Cross multiply
    213,723.07x = 294,936.64 × 118,227.72
  4. Step 4: Simplify right side
    213,723.07x = 34,869,686,491.66
  5. Step 5: Solve for x
    x = 34,869,686,491.66/213,723.07
  6. Step 6: Final answer
    x = 163,153.59

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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.