Home / 136,807.48-205,242.83-43,313.23

Finding the Fourth Proportional to 136,807.48, 205,242.83 and 43,313.23

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Solution

The fourth proportional to 136,807.48, 205,242.83 and 43,313.23 is: 64,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,807.48 : 205,242.83 = 43,313.23 : x
  2. Step 2: Convert to fraction form
    136,807.48/205,242.83 = 43,313.23/x
  3. Step 3: Cross multiply
    136,807.48x = 205,242.83 × 43,313.23
  4. Step 4: Simplify right side
    136,807.48x = 8,889,729,901.64
  5. Step 5: Solve for x
    x = 8,889,729,901.64/136,807.48
  6. Step 6: Final answer
    x = 64,979.85

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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.