Home / 213,250.08-294,279.57-136,690.50

Finding the Fourth Proportional to 213,250.08, 294,279.57 and 136,690.50

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Solution

The fourth proportional to 213,250.08, 294,279.57 and 136,690.50 is: 188,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,250.08 : 294,279.57 = 136,690.50 : x
  2. Step 2: Convert to fraction form
    213,250.08/294,279.57 = 136,690.50/x
  3. Step 3: Cross multiply
    213,250.08x = 294,279.57 × 136,690.50
  4. Step 4: Simplify right side
    213,250.08x = 40,225,221,563.09
  5. Step 5: Solve for x
    x = 40,225,221,563.09/213,250.08
  6. Step 6: Final answer
    x = 188,629.34

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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.