Home / 151,455.10-208,999.62-91,014.52

Finding the Fourth Proportional to 151,455.10, 208,999.62 and 91,014.52

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Solution

The fourth proportional to 151,455.10, 208,999.62 and 91,014.52 is: 125,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,455.10 : 208,999.62 = 91,014.52 : x
  2. Step 2: Convert to fraction form
    151,455.10/208,999.62 = 91,014.52/x
  3. Step 3: Cross multiply
    151,455.10x = 208,999.62 × 91,014.52
  4. Step 4: Simplify right side
    151,455.10x = 19,022,000,094.48
  5. Step 5: Solve for x
    x = 19,022,000,094.48/151,455.10
  6. Step 6: Final answer
    x = 125,594.98

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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.