Home / 139,569.64-192,600.60-75,907.36

Finding the Fourth Proportional to 139,569.64, 192,600.60 and 75,907.36

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Solution

The fourth proportional to 139,569.64, 192,600.60 and 75,907.36 is: 104,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,569.64 : 192,600.60 = 75,907.36 : x
  2. Step 2: Convert to fraction form
    139,569.64/192,600.60 = 75,907.36/x
  3. Step 3: Cross multiply
    139,569.64x = 192,600.60 × 75,907.36
  4. Step 4: Simplify right side
    139,569.64x = 14,619,803,080.42
  5. Step 5: Solve for x
    x = 14,619,803,080.42/139,569.64
  6. Step 6: Final answer
    x = 104,749.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.