Home / 213,309.10-294,423.24-132,690.76

Finding the Fourth Proportional to 213,309.10, 294,423.24 and 132,690.76

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Solution

The fourth proportional to 213,309.10, 294,423.24 and 132,690.76 is: 183,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,309.10 : 294,423.24 = 132,690.76 : x
  2. Step 2: Convert to fraction form
    213,309.10/294,423.24 = 132,690.76/x
  3. Step 3: Cross multiply
    213,309.10x = 294,423.24 × 132,690.76
  4. Step 4: Simplify right side
    213,309.10x = 39,067,243,477.26
  5. Step 5: Solve for x
    x = 39,067,243,477.26/213,309.10
  6. Step 6: Final answer
    x = 183,148.51

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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.