Home / 208,038.03-287,091.84-112,544.70

Finding the Fourth Proportional to 208,038.03, 287,091.84 and 112,544.70

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Solution

The fourth proportional to 208,038.03, 287,091.84 and 112,544.70 is: 155,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,038.03 : 287,091.84 = 112,544.70 : x
  2. Step 2: Convert to fraction form
    208,038.03/287,091.84 = 112,544.70/x
  3. Step 3: Cross multiply
    208,038.03x = 287,091.84 × 112,544.70
  4. Step 4: Simplify right side
    208,038.03x = 32,310,665,005.25
  5. Step 5: Solve for x
    x = 32,310,665,005.25/208,038.03
  6. Step 6: Final answer
    x = 155,311.34

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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.