Home / 151,260.81-208,731.80-83,264.55

Finding the Fourth Proportional to 151,260.81, 208,731.80 and 83,264.55

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Solution

The fourth proportional to 151,260.81, 208,731.80 and 83,264.55 is: 114,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,260.81 : 208,731.80 = 83,264.55 : x
  2. Step 2: Convert to fraction form
    151,260.81/208,731.80 = 83,264.55/x
  3. Step 3: Cross multiply
    151,260.81x = 208,731.80 × 83,264.55
  4. Step 4: Simplify right side
    151,260.81x = 17,379,958,981.37
  5. Step 5: Solve for x
    x = 17,379,958,981.37/151,260.81
  6. Step 6: Final answer
    x = 114,900.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.