Home / 213,721.57-294,934.57-118,226.22

Finding the Fourth Proportional to 213,721.57, 294,934.57 and 118,226.22

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Solution

The fourth proportional to 213,721.57, 294,934.57 and 118,226.22 is: 163,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,721.57 : 294,934.57 = 118,226.22 : x
  2. Step 2: Convert to fraction form
    213,721.57/294,934.57 = 118,226.22/x
  3. Step 3: Cross multiply
    213,721.57x = 294,934.57 × 118,226.22
  4. Step 4: Simplify right side
    213,721.57x = 34,868,999,358.43
  5. Step 5: Solve for x
    x = 34,868,999,358.43/213,721.57
  6. Step 6: Final answer
    x = 163,151.52

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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.