Home / 208,235.16-312,277.38-75,079.62

Finding the Fourth Proportional to 208,235.16, 312,277.38 and 75,079.62

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Solution

The fourth proportional to 208,235.16, 312,277.38 and 75,079.62 is: 112,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,235.16 : 312,277.38 = 75,079.62 : x
  2. Step 2: Convert to fraction form
    208,235.16/312,277.38 = 75,079.62/x
  3. Step 3: Cross multiply
    208,235.16x = 312,277.38 × 75,079.62
  4. Step 4: Simplify right side
    208,235.16x = 23,445,667,025.00
  5. Step 5: Solve for x
    x = 23,445,667,025.00/208,235.16
  6. Step 6: Final answer
    x = 112,592.26

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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.