Home / 142,509.22-213,735.52-41,319.16

Finding the Fourth Proportional to 142,509.22, 213,735.52 and 41,319.16

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Solution

The fourth proportional to 142,509.22, 213,735.52 and 41,319.16 is: 61,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,509.22 : 213,735.52 = 41,319.16 : x
  2. Step 2: Convert to fraction form
    142,509.22/213,735.52 = 41,319.16/x
  3. Step 3: Cross multiply
    142,509.22x = 213,735.52 × 41,319.16
  4. Step 4: Simplify right side
    142,509.22x = 8,831,372,148.56
  5. Step 5: Solve for x
    x = 8,831,372,148.56/142,509.22
  6. Step 6: Final answer
    x = 61,970.53

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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.