Home / 208,103.48-287,183.56-112,610.18

Finding the Fourth Proportional to 208,103.48, 287,183.56 and 112,610.18

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Solution

The fourth proportional to 208,103.48, 287,183.56 and 112,610.18 is: 155,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,103.48 : 287,183.56 = 112,610.18 : x
  2. Step 2: Convert to fraction form
    208,103.48/287,183.56 = 112,610.18/x
  3. Step 3: Cross multiply
    208,103.48x = 287,183.56 × 112,610.18
  4. Step 4: Simplify right side
    208,103.48x = 32,339,792,384.64
  5. Step 5: Solve for x
    x = 32,339,792,384.64/208,103.48
  6. Step 6: Final answer
    x = 155,402.46

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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.