Home / 208,120.24-287,206.80-112,626.94

Finding the Fourth Proportional to 208,120.24, 287,206.80 and 112,626.94

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Solution

The fourth proportional to 208,120.24, 287,206.80 and 112,626.94 is: 155,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,120.24 : 287,206.80 = 112,626.94 : x
  2. Step 2: Convert to fraction form
    208,120.24/287,206.80 = 112,626.94/x
  3. Step 3: Cross multiply
    208,120.24x = 287,206.80 × 112,626.94
  4. Step 4: Simplify right side
    208,120.24x = 32,347,221,595.16
  5. Step 5: Solve for x
    x = 32,347,221,595.16/208,120.24
  6. Step 6: Final answer
    x = 155,425.64

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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.