Home / 213,125.42-319,688.04-63,365.06

Finding the Fourth Proportional to 213,125.42, 319,688.04 and 63,365.06

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Solution

The fourth proportional to 213,125.42, 319,688.04 and 63,365.06 is: 95,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,125.42 : 319,688.04 = 63,365.06 : x
  2. Step 2: Convert to fraction form
    213,125.42/319,688.04 = 63,365.06/x
  3. Step 3: Cross multiply
    213,125.42x = 319,688.04 × 63,365.06
  4. Step 4: Simplify right side
    213,125.42x = 20,257,051,835.88
  5. Step 5: Solve for x
    x = 20,257,051,835.88/213,125.42
  6. Step 6: Final answer
    x = 95,047.56

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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.