Home / 208,582.41-312,688.06-75,433.07

Finding the Fourth Proportional to 208,582.41, 312,688.06 and 75,433.07

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Solution

The fourth proportional to 208,582.41, 312,688.06 and 75,433.07 is: 113,082.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,582.41 : 312,688.06 = 75,433.07 : x
  2. Step 2: Convert to fraction form
    208,582.41/312,688.06 = 75,433.07/x
  3. Step 3: Cross multiply
    208,582.41x = 312,688.06 × 75,433.07
  4. Step 4: Simplify right side
    208,582.41x = 23,587,018,566.12
  5. Step 5: Solve for x
    x = 23,587,018,566.12/208,582.41
  6. Step 6: Final answer
    x = 113,082.49

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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.