Home / 203,132.36-280,276.26-130,573.16

Finding the Fourth Proportional to 203,132.36, 280,276.26 and 130,573.16

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Solution

The fourth proportional to 203,132.36, 280,276.26 and 130,573.16 is: 180,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,132.36 : 280,276.26 = 130,573.16 : x
  2. Step 2: Convert to fraction form
    203,132.36/280,276.26 = 130,573.16/x
  3. Step 3: Cross multiply
    203,132.36x = 280,276.26 × 130,573.16
  4. Step 4: Simplify right side
    203,132.36x = 36,596,556,941.18
  5. Step 5: Solve for x
    x = 36,596,556,941.18/203,132.36
  6. Step 6: Final answer
    x = 180,161.14

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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.