Home / 135,311.10-202,577.85-121,314.30

Finding the Fourth Proportional to 135,311.10, 202,577.85 and 121,314.30

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Solution

The fourth proportional to 135,311.10, 202,577.85 and 121,314.30 is: 181,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,311.10 : 202,577.85 = 121,314.30 : x
  2. Step 2: Convert to fraction form
    135,311.10/202,577.85 = 121,314.30/x
  3. Step 3: Cross multiply
    135,311.10x = 202,577.85 × 121,314.30
  4. Step 4: Simplify right side
    135,311.10x = 24,575,590,068.26
  5. Step 5: Solve for x
    x = 24,575,590,068.26/135,311.10
  6. Step 6: Final answer
    x = 181,622.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.