Home / 242,173.36-334,194-140,203.12

Finding the Fourth Proportional to 242,173.36, 334,194 and 140,203.12

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Solution

The fourth proportional to 242,173.36, 334,194 and 140,203.12 is: 193,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,173.36 : 334,194 = 140,203.12 : x
  2. Step 2: Convert to fraction form
    242,173.36/334,194 = 140,203.12/x
  3. Step 3: Cross multiply
    242,173.36x = 334,194 × 140,203.12
  4. Step 4: Simplify right side
    242,173.36x = 46,855,041,485.28
  5. Step 5: Solve for x
    x = 46,855,041,485.28/242,173.36
  6. Step 6: Final answer
    x = 193,477.27

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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.