Home / 203,070.10-280,238.94-112,427.44

Finding the Fourth Proportional to 203,070.10, 280,238.94 and 112,427.44

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Solution

The fourth proportional to 203,070.10, 280,238.94 and 112,427.44 is: 155,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,070.10 : 280,238.94 = 112,427.44 : x
  2. Step 2: Convert to fraction form
    203,070.10/280,238.94 = 112,427.44/x
  3. Step 3: Cross multiply
    203,070.10x = 280,238.94 × 112,427.44
  4. Step 4: Simplify right side
    203,070.10x = 31,506,546,612.51
  5. Step 5: Solve for x
    x = 31,506,546,612.51/203,070.10
  6. Step 6: Final answer
    x = 155,151.09

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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.