Home / 104,055.03-143,596.31-56,308.37

Finding the Fourth Proportional to 104,055.03, 143,596.31 and 56,308.37

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Solution

The fourth proportional to 104,055.03, 143,596.31 and 56,308.37 is: 77,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,055.03 : 143,596.31 = 56,308.37 : x
  2. Step 2: Convert to fraction form
    104,055.03/143,596.31 = 56,308.37/x
  3. Step 3: Cross multiply
    104,055.03x = 143,596.31 × 56,308.37
  4. Step 4: Simplify right side
    104,055.03x = 8,085,674,154.11
  5. Step 5: Solve for x
    x = 8,085,674,154.11/104,055.03
  6. Step 6: Final answer
    x = 77,705.75

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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.