Home / 203,140.04-280,334.04-112,494.02

Finding the Fourth Proportional to 203,140.04, 280,334.04 and 112,494.02

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Solution

The fourth proportional to 203,140.04, 280,334.04 and 112,494.02 is: 155,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,140.04 : 280,334.04 = 112,494.02 : x
  2. Step 2: Convert to fraction form
    203,140.04/280,334.04 = 112,494.02/x
  3. Step 3: Cross multiply
    203,140.04x = 280,334.04 × 112,494.02
  4. Step 4: Simplify right side
    203,140.04x = 31,535,903,102.44
  5. Step 5: Solve for x
    x = 31,535,903,102.44/203,140.04
  6. Step 6: Final answer
    x = 155,242.18

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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.