Home / 242,538.44-334,708.90-135,110.20

Finding the Fourth Proportional to 242,538.44, 334,708.90 and 135,110.20

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Solution

The fourth proportional to 242,538.44, 334,708.90 and 135,110.20 is: 186,455.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,538.44 : 334,708.90 = 135,110.20 : x
  2. Step 2: Convert to fraction form
    242,538.44/334,708.90 = 135,110.20/x
  3. Step 3: Cross multiply
    242,538.44x = 334,708.90 × 135,110.20
  4. Step 4: Simplify right side
    242,538.44x = 45,222,586,420.78
  5. Step 5: Solve for x
    x = 45,222,586,420.78/242,538.44
  6. Step 6: Final answer
    x = 186,455.34

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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.