Home / 213,716.07-294,926.97-118,220.72

Finding the Fourth Proportional to 213,716.07, 294,926.97 and 118,220.72

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Solution

The fourth proportional to 213,716.07, 294,926.97 and 118,220.72 is: 163,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,716.07 : 294,926.97 = 118,220.72 : x
  2. Step 2: Convert to fraction form
    213,716.07/294,926.97 = 118,220.72/x
  3. Step 3: Cross multiply
    213,716.07x = 294,926.97 × 118,220.72
  4. Step 4: Simplify right side
    213,716.07x = 34,866,477,709.51
  5. Step 5: Solve for x
    x = 34,866,477,709.51/213,716.07
  6. Step 6: Final answer
    x = 163,143.92

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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.