Home / 213,455.43-294,437.97-136,948.50

Finding the Fourth Proportional to 213,455.43, 294,437.97 and 136,948.50

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Solution

The fourth proportional to 213,455.43, 294,437.97 and 136,948.50 is: 188,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,455.43 : 294,437.97 = 136,948.50 : x
  2. Step 2: Convert to fraction form
    213,455.43/294,437.97 = 136,948.50/x
  3. Step 3: Cross multiply
    213,455.43x = 294,437.97 × 136,948.50
  4. Step 4: Simplify right side
    213,455.43x = 40,322,838,334.55
  5. Step 5: Solve for x
    x = 40,322,838,334.55/213,455.43
  6. Step 6: Final answer
    x = 188,905.19

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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.