Home / 213,139.98-294,135.57-117,650.70

Finding the Fourth Proportional to 213,139.98, 294,135.57 and 117,650.70

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Solution

The fourth proportional to 213,139.98, 294,135.57 and 117,650.70 is: 162,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,139.98 : 294,135.57 = 117,650.70 : x
  2. Step 2: Convert to fraction form
    213,139.98/294,135.57 = 117,650.70/x
  3. Step 3: Cross multiply
    213,139.98x = 294,135.57 × 117,650.70
  4. Step 4: Simplify right side
    213,139.98x = 34,605,255,705.40
  5. Step 5: Solve for x
    x = 34,605,255,705.40/213,139.98
  6. Step 6: Final answer
    x = 162,359.29

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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.