Home / 203,184.18-280,409.96-112,548.58

Finding the Fourth Proportional to 203,184.18, 280,409.96 and 112,548.58

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Solution

The fourth proportional to 203,184.18, 280,409.96 and 112,548.58 is: 155,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,184.18 : 280,409.96 = 112,548.58 : x
  2. Step 2: Convert to fraction form
    203,184.18/280,409.96 = 112,548.58/x
  3. Step 3: Cross multiply
    203,184.18x = 280,409.96 × 112,548.58
  4. Step 4: Simplify right side
    203,184.18x = 31,559,742,396.20
  5. Step 5: Solve for x
    x = 31,559,742,396.20/203,184.18
  6. Step 6: Final answer
    x = 155,325.79

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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.