Home / 208,268.08-287,409.54-112,774.48

Finding the Fourth Proportional to 208,268.08, 287,409.54 and 112,774.48

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Solution

The fourth proportional to 208,268.08, 287,409.54 and 112,774.48 is: 155,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,268.08 : 287,409.54 = 112,774.48 : x
  2. Step 2: Convert to fraction form
    208,268.08/287,409.54 = 112,774.48/x
  3. Step 3: Cross multiply
    208,268.08x = 287,409.54 × 112,774.48
  4. Step 4: Simplify right side
    208,268.08x = 32,412,461,420.54
  5. Step 5: Solve for x
    x = 32,412,461,420.54/208,268.08
  6. Step 6: Final answer
    x = 155,628.56

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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.