Home / 213,017.42-319,027.98-168,344.30

Finding the Fourth Proportional to 213,017.42, 319,027.98 and 168,344.30

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Solution

The fourth proportional to 213,017.42, 319,027.98 and 168,344.30 is: 252,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,017.42 : 319,027.98 = 168,344.30 : x
  2. Step 2: Convert to fraction form
    213,017.42/319,027.98 = 168,344.30/x
  3. Step 3: Cross multiply
    213,017.42x = 319,027.98 × 168,344.30
  4. Step 4: Simplify right side
    213,017.42x = 53,706,541,973.51
  5. Step 5: Solve for x
    x = 53,706,541,973.51/213,017.42
  6. Step 6: Final answer
    x = 252,122.77

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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.