Home / 139,580.03-209,290.73-95,260.47

Finding the Fourth Proportional to 139,580.03, 209,290.73 and 95,260.47

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Solution

The fourth proportional to 139,580.03, 209,290.73 and 95,260.47 is: 142,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,580.03 : 209,290.73 = 95,260.47 : x
  2. Step 2: Convert to fraction form
    139,580.03/209,290.73 = 95,260.47/x
  3. Step 3: Cross multiply
    139,580.03x = 209,290.73 × 95,260.47
  4. Step 4: Simplify right side
    139,580.03x = 19,937,132,830.14
  5. Step 5: Solve for x
    x = 19,937,132,830.14/139,580.03
  6. Step 6: Final answer
    x = 142,836.58

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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.