Home / 213,119.86-319,604.55-70,926.70

Finding the Fourth Proportional to 213,119.86, 319,604.55 and 70,926.70

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Solution

The fourth proportional to 213,119.86, 319,604.55 and 70,926.70 is: 106,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,119.86 : 319,604.55 = 70,926.70 : x
  2. Step 2: Convert to fraction form
    213,119.86/319,604.55 = 70,926.70/x
  3. Step 3: Cross multiply
    213,119.86x = 319,604.55 × 70,926.70
  4. Step 4: Simplify right side
    213,119.86x = 22,668,496,036.49
  5. Step 5: Solve for x
    x = 22,668,496,036.49/213,119.86
  6. Step 6: Final answer
    x = 106,365.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.