Home / 151,215.45-208,675.67-83,230.97

Finding the Fourth Proportional to 151,215.45, 208,675.67 and 83,230.97

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Solution

The fourth proportional to 151,215.45, 208,675.67 and 83,230.97 is: 114,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,215.45 : 208,675.67 = 83,230.97 : x
  2. Step 2: Convert to fraction form
    151,215.45/208,675.67 = 83,230.97/x
  3. Step 3: Cross multiply
    151,215.45x = 208,675.67 × 83,230.97
  4. Step 4: Simplify right side
    151,215.45x = 17,368,276,969.97
  5. Step 5: Solve for x
    x = 17,368,276,969.97/151,215.45
  6. Step 6: Final answer
    x = 114,857.82

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1.5x scale

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.