Home / 208,204.64-287,320.02-112,709.24

Finding the Fourth Proportional to 208,204.64, 287,320.02 and 112,709.24

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Solution

The fourth proportional to 208,204.64, 287,320.02 and 112,709.24 is: 155,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,204.64 : 287,320.02 = 112,709.24 : x
  2. Step 2: Convert to fraction form
    208,204.64/287,320.02 = 112,709.24/x
  3. Step 3: Cross multiply
    208,204.64x = 287,320.02 × 112,709.24
  4. Step 4: Simplify right side
    208,204.64x = 32,383,621,090.98
  5. Step 5: Solve for x
    x = 32,383,621,090.98/208,204.64
  6. Step 6: Final answer
    x = 155,537.46

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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.