Home / 151,462.35-208,984.32-86,927.61

Finding the Fourth Proportional to 151,462.35, 208,984.32 and 86,927.61

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Solution

The fourth proportional to 151,462.35, 208,984.32 and 86,927.61 is: 119,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,462.35 : 208,984.32 = 86,927.61 : x
  2. Step 2: Convert to fraction form
    151,462.35/208,984.32 = 86,927.61/x
  3. Step 3: Cross multiply
    151,462.35x = 208,984.32 × 86,927.61
  4. Step 4: Simplify right side
    151,462.35x = 18,166,507,465.08
  5. Step 5: Solve for x
    x = 18,166,507,465.08/151,462.35
  6. Step 6: Final answer
    x = 119,940.75

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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.