Home / 154,268.01-212,887.04-87,200.01

Finding the Fourth Proportional to 154,268.01, 212,887.04 and 87,200.01

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Solution

The fourth proportional to 154,268.01, 212,887.04 and 87,200.01 is: 120,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,268.01 : 212,887.04 = 87,200.01 : x
  2. Step 2: Convert to fraction form
    154,268.01/212,887.04 = 87,200.01/x
  3. Step 3: Cross multiply
    154,268.01x = 212,887.04 × 87,200.01
  4. Step 4: Simplify right side
    154,268.01x = 18,563,751,580.87
  5. Step 5: Solve for x
    x = 18,563,751,580.87/154,268.01
  6. Step 6: Final answer
    x = 120,334.42

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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.