Home / 213,019.56-319,537.44-70,877.52

Finding the Fourth Proportional to 213,019.56, 319,537.44 and 70,877.52

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Solution

The fourth proportional to 213,019.56, 319,537.44 and 70,877.52 is: 106,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,019.56 : 319,537.44 = 70,877.52 : x
  2. Step 2: Convert to fraction form
    213,019.56/319,537.44 = 70,877.52/x
  3. Step 3: Cross multiply
    213,019.56x = 319,537.44 × 70,877.52
  4. Step 4: Simplify right side
    213,019.56x = 22,648,021,294.35
  5. Step 5: Solve for x
    x = 22,648,021,294.35/213,019.56
  6. Step 6: Final answer
    x = 106,318.98

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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.