Home / 242,745.30-334,989.81-135,314.46

Finding the Fourth Proportional to 242,745.30, 334,989.81 and 135,314.46

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Solution

The fourth proportional to 242,745.30, 334,989.81 and 135,314.46 is: 186,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,745.30 : 334,989.81 = 135,314.46 : x
  2. Step 2: Convert to fraction form
    242,745.30/334,989.81 = 135,314.46/x
  3. Step 3: Cross multiply
    242,745.30x = 334,989.81 × 135,314.46
  4. Step 4: Simplify right side
    242,745.30x = 45,328,965,245.65
  5. Step 5: Solve for x
    x = 45,328,965,245.65/242,745.30
  6. Step 6: Final answer
    x = 186,734.68

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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.