Home / 124,842.75-172,283.00-80,208.51

Finding the Fourth Proportional to 124,842.75, 172,283.00 and 80,208.51

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Solution

The fourth proportional to 124,842.75, 172,283.00 and 80,208.51 is: 110,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,842.75 : 172,283.00 = 80,208.51 : x
  2. Step 2: Convert to fraction form
    124,842.75/172,283.00 = 80,208.51/x
  3. Step 3: Cross multiply
    124,842.75x = 172,283.00 × 80,208.51
  4. Step 4: Simplify right side
    124,842.75x = 13,818,562,327.29
  5. Step 5: Solve for x
    x = 13,818,562,327.29/124,842.75
  6. Step 6: Final answer
    x = 110,687.74

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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.