Home / 139,979.33-210,056.07-56,873.33

Finding the Fourth Proportional to 139,979.33, 210,056.07 and 56,873.33

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Solution

The fourth proportional to 139,979.33, 210,056.07 and 56,873.33 is: 85,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,979.33 : 210,056.07 = 56,873.33 : x
  2. Step 2: Convert to fraction form
    139,979.33/210,056.07 = 56,873.33/x
  3. Step 3: Cross multiply
    139,979.33x = 210,056.07 × 56,873.33
  4. Step 4: Simplify right side
    139,979.33x = 11,946,588,138.32
  5. Step 5: Solve for x
    x = 11,946,588,138.32/139,979.33
  6. Step 6: Final answer
    x = 85,345.37

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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.