Home / 208,263.12-312,144.27-95,788.35

Finding the Fourth Proportional to 208,263.12, 312,144.27 and 95,788.35

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Solution

The fourth proportional to 208,263.12, 312,144.27 and 95,788.35 is: 143,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,263.12 : 312,144.27 = 95,788.35 : x
  2. Step 2: Convert to fraction form
    208,263.12/312,144.27 = 95,788.35/x
  3. Step 3: Cross multiply
    208,263.12x = 312,144.27 × 95,788.35
  4. Step 4: Simplify right side
    208,263.12x = 29,899,784,585.25
  5. Step 5: Solve for x
    x = 29,899,784,585.25/208,263.12
  6. Step 6: Final answer
    x = 143,567.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.