Home / 139,663.07-209,496.56-39,823.31

Finding the Fourth Proportional to 139,663.07, 209,496.56 and 39,823.31

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Solution

The fourth proportional to 139,663.07, 209,496.56 and 39,823.31 is: 59,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,663.07 : 209,496.56 = 39,823.31 : x
  2. Step 2: Convert to fraction form
    139,663.07/209,496.56 = 39,823.31/x
  3. Step 3: Cross multiply
    139,663.07x = 209,496.56 × 39,823.31
  4. Step 4: Simplify right side
    139,663.07x = 8,342,845,206.21
  5. Step 5: Solve for x
    x = 8,342,845,206.21/139,663.07
  6. Step 6: Final answer
    x = 59,735.51

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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.