Home / 104,172.03-143,757.45-56,425.50

Finding the Fourth Proportional to 104,172.03, 143,757.45 and 56,425.50

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Solution

The fourth proportional to 104,172.03, 143,757.45 and 56,425.50 is: 77,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,172.03 : 143,757.45 = 56,425.50 : x
  2. Step 2: Convert to fraction form
    104,172.03/143,757.45 = 56,425.50/x
  3. Step 3: Cross multiply
    104,172.03x = 143,757.45 × 56,425.50
  4. Step 4: Simplify right side
    104,172.03x = 8,111,585,994.98
  5. Step 5: Solve for x
    x = 8,111,585,994.98/104,172.03
  6. Step 6: Final answer
    x = 77,867.22

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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.