Home / 208,204.08-287,322.52-112,710.77

Finding the Fourth Proportional to 208,204.08, 287,322.52 and 112,710.77

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Solution

The fourth proportional to 208,204.08, 287,322.52 and 112,710.77 is: 155,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,204.08 : 287,322.52 = 112,710.77 : x
  2. Step 2: Convert to fraction form
    208,204.08/287,322.52 = 112,710.77/x
  3. Step 3: Cross multiply
    208,204.08x = 287,322.52 × 112,710.77
  4. Step 4: Simplify right side
    208,204.08x = 32,384,342,467.54
  5. Step 5: Solve for x
    x = 32,384,342,467.54/208,204.08
  6. Step 6: Final answer
    x = 155,541.34

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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.