Home / 208,251.36-287,387.06-112,758.12

Finding the Fourth Proportional to 208,251.36, 287,387.06 and 112,758.12

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Solution

The fourth proportional to 208,251.36, 287,387.06 and 112,758.12 is: 155,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,251.36 : 287,387.06 = 112,758.12 : x
  2. Step 2: Convert to fraction form
    208,251.36/287,387.06 = 112,758.12/x
  3. Step 3: Cross multiply
    208,251.36x = 287,387.06 × 112,758.12
  4. Step 4: Simplify right side
    208,251.36x = 32,405,224,597.93
  5. Step 5: Solve for x
    x = 32,405,224,597.93/208,251.36
  6. Step 6: Final answer
    x = 155,606.30

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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.