Home / 203,032.02-280,180.79-112,386.03

Finding the Fourth Proportional to 203,032.02, 280,180.79 and 112,386.03

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Solution

The fourth proportional to 203,032.02, 280,180.79 and 112,386.03 is: 155,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,032.02 : 280,180.79 = 112,386.03 : x
  2. Step 2: Convert to fraction form
    203,032.02/280,180.79 = 112,386.03/x
  3. Step 3: Cross multiply
    203,032.02x = 280,180.79 × 112,386.03
  4. Step 4: Simplify right side
    203,032.02x = 31,488,406,108.43
  5. Step 5: Solve for x
    x = 31,488,406,108.43/203,032.02
  6. Step 6: Final answer
    x = 155,090.84

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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.