Home / 213,122.85-294,108.95-117,628.89

Finding the Fourth Proportional to 213,122.85, 294,108.95 and 117,628.89

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Solution

The fourth proportional to 213,122.85, 294,108.95 and 117,628.89 is: 162,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,122.85 : 294,108.95 = 117,628.89 : x
  2. Step 2: Convert to fraction form
    213,122.85/294,108.95 = 117,628.89/x
  3. Step 3: Cross multiply
    213,122.85x = 294,108.95 × 117,628.89
  4. Step 4: Simplify right side
    213,122.85x = 34,595,708,739.42
  5. Step 5: Solve for x
    x = 34,595,708,739.42/213,122.85
  6. Step 6: Final answer
    x = 162,327.54

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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.