Home / 208,261.93-287,401.04-112,768.91

Finding the Fourth Proportional to 208,261.93, 287,401.04 and 112,768.91

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Solution

The fourth proportional to 208,261.93, 287,401.04 and 112,768.91 is: 155,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,261.93 : 287,401.04 = 112,768.91 : x
  2. Step 2: Convert to fraction form
    208,261.93/287,401.04 = 112,768.91/x
  3. Step 3: Cross multiply
    208,261.93x = 287,401.04 × 112,768.91
  4. Step 4: Simplify right side
    208,261.93x = 32,409,900,576.66
  5. Step 5: Solve for x
    x = 32,409,900,576.66/208,261.93
  6. Step 6: Final answer
    x = 155,620.86

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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.