Home / 139,569.04-209,360.40-39,736.24

Finding the Fourth Proportional to 139,569.04, 209,360.40 and 39,736.24

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Solution

The fourth proportional to 139,569.04, 209,360.40 and 39,736.24 is: 59,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,569.04 : 209,360.40 = 39,736.24 : x
  2. Step 2: Convert to fraction form
    139,569.04/209,360.40 = 39,736.24/x
  3. Step 3: Cross multiply
    139,569.04x = 209,360.40 × 39,736.24
  4. Step 4: Simplify right side
    139,569.04x = 8,319,195,100.90
  5. Step 5: Solve for x
    x = 8,319,195,100.90/139,569.04
  6. Step 6: Final answer
    x = 59,606.31

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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.