Home / 243,074.13-335,442.32-134,178.50

Finding the Fourth Proportional to 243,074.13, 335,442.32 and 134,178.50

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Solution

The fourth proportional to 243,074.13, 335,442.32 and 134,178.50 is: 185,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,074.13 : 335,442.32 = 134,178.50 : x
  2. Step 2: Convert to fraction form
    243,074.13/335,442.32 = 134,178.50/x
  3. Step 3: Cross multiply
    243,074.13x = 335,442.32 × 134,178.50
  4. Step 4: Simplify right side
    243,074.13x = 45,009,147,334.12
  5. Step 5: Solve for x
    x = 45,009,147,334.12/243,074.13
  6. Step 6: Final answer
    x = 185,166.34

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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.