Home / 104,282.24-143,910.47-56,535.37

Finding the Fourth Proportional to 104,282.24, 143,910.47 and 56,535.37

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Solution

The fourth proportional to 104,282.24, 143,910.47 and 56,535.37 is: 78,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,282.24 : 143,910.47 = 56,535.37 : x
  2. Step 2: Convert to fraction form
    104,282.24/143,910.47 = 56,535.37/x
  3. Step 3: Cross multiply
    104,282.24x = 143,910.47 × 56,535.37
  4. Step 4: Simplify right side
    104,282.24x = 8,136,031,449.89
  5. Step 5: Solve for x
    x = 8,136,031,449.89/104,282.24
  6. Step 6: Final answer
    x = 78,019.34

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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.