Home / 208,316.58-312,278.04-75,161.07

Finding the Fourth Proportional to 208,316.58, 312,278.04 and 75,161.07

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Solution

The fourth proportional to 208,316.58, 312,278.04 and 75,161.07 is: 112,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,316.58 : 312,278.04 = 75,161.07 : x
  2. Step 2: Convert to fraction form
    208,316.58/312,278.04 = 75,161.07/x
  3. Step 3: Cross multiply
    208,316.58x = 312,278.04 × 75,161.07
  4. Step 4: Simplify right side
    208,316.58x = 23,471,151,623.90
  5. Step 5: Solve for x
    x = 23,471,151,623.90/208,316.58
  6. Step 6: Final answer
    x = 112,670.59

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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.