Home / 208,083.24-287,152.83-112,587.84

Finding the Fourth Proportional to 208,083.24, 287,152.83 and 112,587.84

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Solution

The fourth proportional to 208,083.24, 287,152.83 and 112,587.84 is: 155,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,083.24 : 287,152.83 = 112,587.84 : x
  2. Step 2: Convert to fraction form
    208,083.24/287,152.83 = 112,587.84/x
  3. Step 3: Cross multiply
    208,083.24x = 287,152.83 × 112,587.84
  4. Step 4: Simplify right side
    208,083.24x = 32,329,916,879.59
  5. Step 5: Solve for x
    x = 32,329,916,879.59/208,083.24
  6. Step 6: Final answer
    x = 155,370.11

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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.