Home / 242,352.21-334,435.23-138,912.24

Finding the Fourth Proportional to 242,352.21, 334,435.23 and 138,912.24

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Solution

The fourth proportional to 242,352.21, 334,435.23 and 138,912.24 is: 191,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,352.21 : 334,435.23 = 138,912.24 : x
  2. Step 2: Convert to fraction form
    242,352.21/334,435.23 = 138,912.24/x
  3. Step 3: Cross multiply
    242,352.21x = 334,435.23 × 138,912.24
  4. Step 4: Simplify right side
    242,352.21x = 46,457,146,934.22
  5. Step 5: Solve for x
    x = 46,457,146,934.22/242,352.21
  6. Step 6: Final answer
    x = 191,692.69

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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.