Home / 151,215.07-208,675.15-83,230.59

Finding the Fourth Proportional to 151,215.07, 208,675.15 and 83,230.59

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Solution

The fourth proportional to 151,215.07, 208,675.15 and 83,230.59 is: 114,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,215.07 : 208,675.15 = 83,230.59 : x
  2. Step 2: Convert to fraction form
    151,215.07/208,675.15 = 83,230.59/x
  3. Step 3: Cross multiply
    151,215.07x = 208,675.15 × 83,230.59
  4. Step 4: Simplify right side
    151,215.07x = 17,368,155,852.84
  5. Step 5: Solve for x
    x = 17,368,155,852.84/151,215.07
  6. Step 6: Final answer
    x = 114,857.31

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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.