Home / 208,116.04-287,202.22-112,624.78

Finding the Fourth Proportional to 208,116.04, 287,202.22 and 112,624.78

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Solution

The fourth proportional to 208,116.04, 287,202.22 and 112,624.78 is: 155,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,116.04 : 287,202.22 = 112,624.78 : x
  2. Step 2: Convert to fraction form
    208,116.04/287,202.22 = 112,624.78/x
  3. Step 3: Cross multiply
    208,116.04x = 287,202.22 × 112,624.78
  4. Step 4: Simplify right side
    208,116.04x = 32,346,086,843.01
  5. Step 5: Solve for x
    x = 32,346,086,843.01/208,116.04
  6. Step 6: Final answer
    x = 155,423.32

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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.