Home / 208,125.14-312,152.46-58,330.94

Finding the Fourth Proportional to 208,125.14, 312,152.46 and 58,330.94

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Solution

The fourth proportional to 208,125.14, 312,152.46 and 58,330.94 is: 87,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,125.14 : 312,152.46 = 58,330.94 : x
  2. Step 2: Convert to fraction form
    208,125.14/312,152.46 = 58,330.94/x
  3. Step 3: Cross multiply
    208,125.14x = 312,152.46 × 58,330.94
  4. Step 4: Simplify right side
    208,125.14x = 18,208,146,415.11
  5. Step 5: Solve for x
    x = 18,208,146,415.11/208,125.14
  6. Step 6: Final answer
    x = 87,486.53

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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.