Home / 148,181.39-204,477.37-87,741.21

Finding the Fourth Proportional to 148,181.39, 204,477.37 and 87,741.21

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Solution

The fourth proportional to 148,181.39, 204,477.37 and 87,741.21 is: 121,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,181.39 : 204,477.37 = 87,741.21 : x
  2. Step 2: Convert to fraction form
    148,181.39/204,477.37 = 87,741.21/x
  3. Step 3: Cross multiply
    148,181.39x = 204,477.37 × 87,741.21
  4. Step 4: Simplify right side
    148,181.39x = 17,941,091,861.42
  5. Step 5: Solve for x
    x = 17,941,091,861.42/148,181.39
  6. Step 6: Final answer
    x = 121,075.20

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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.