Home / 103,851.68-143,315.07-56,104.88

Finding the Fourth Proportional to 103,851.68, 143,315.07 and 56,104.88

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Solution

The fourth proportional to 103,851.68, 143,315.07 and 56,104.88 is: 77,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,851.68 : 143,315.07 = 56,104.88 : x
  2. Step 2: Convert to fraction form
    103,851.68/143,315.07 = 56,104.88/x
  3. Step 3: Cross multiply
    103,851.68x = 143,315.07 × 56,104.88
  4. Step 4: Simplify right side
    103,851.68x = 8,040,674,804.54
  5. Step 5: Solve for x
    x = 8,040,674,804.54/103,851.68
  6. Step 6: Final answer
    x = 77,424.60

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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.