Home / 242,770.32-335,047.56-135,357.84

Finding the Fourth Proportional to 242,770.32, 335,047.56 and 135,357.84

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Solution

The fourth proportional to 242,770.32, 335,047.56 and 135,357.84 is: 186,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,770.32 : 335,047.56 = 135,357.84 : x
  2. Step 2: Convert to fraction form
    242,770.32/335,047.56 = 135,357.84/x
  3. Step 3: Cross multiply
    242,770.32x = 335,047.56 × 135,357.84
  4. Step 4: Simplify right side
    242,770.32x = 45,351,314,018.87
  5. Step 5: Solve for x
    x = 45,351,314,018.87/242,770.32
  6. Step 6: Final answer
    x = 186,807.49

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1.5x scale

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.