Home / 208,271.16-287,415.58-112,777.85

Finding the Fourth Proportional to 208,271.16, 287,415.58 and 112,777.85

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Solution

The fourth proportional to 208,271.16, 287,415.58 and 112,777.85 is: 155,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,271.16 : 287,415.58 = 112,777.85 : x
  2. Step 2: Convert to fraction form
    208,271.16/287,415.58 = 112,777.85/x
  3. Step 3: Cross multiply
    208,271.16x = 287,415.58 × 112,777.85
  4. Step 4: Simplify right side
    208,271.16x = 32,414,111,168.90
  5. Step 5: Solve for x
    x = 32,414,111,168.90/208,271.16
  6. Step 6: Final answer
    x = 155,634.18

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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.