Home / 208,204.21-287,322.73-112,710.90

Finding the Fourth Proportional to 208,204.21, 287,322.73 and 112,710.90

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Solution

The fourth proportional to 208,204.21, 287,322.73 and 112,710.90 is: 155,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,204.21 : 287,322.73 = 112,710.90 : x
  2. Step 2: Convert to fraction form
    208,204.21/287,322.73 = 112,710.90/x
  3. Step 3: Cross multiply
    208,204.21x = 287,322.73 × 112,710.90
  4. Step 4: Simplify right side
    208,204.21x = 32,384,403,206.98
  5. Step 5: Solve for x
    x = 32,384,403,206.98/208,204.21
  6. Step 6: Final answer
    x = 155,541.54

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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.