Home / 143,299.51-214,653.75-83,955.13

Finding the Fourth Proportional to 143,299.51, 214,653.75 and 83,955.13

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Solution

The fourth proportional to 143,299.51, 214,653.75 and 83,955.13 is: 125,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,299.51 : 214,653.75 = 83,955.13 : x
  2. Step 2: Convert to fraction form
    143,299.51/214,653.75 = 83,955.13/x
  3. Step 3: Cross multiply
    143,299.51x = 214,653.75 × 83,955.13
  4. Step 4: Simplify right side
    143,299.51x = 18,021,283,066.46
  5. Step 5: Solve for x
    x = 18,021,283,066.46/143,299.51
  6. Step 6: Final answer
    x = 125,759.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.