Home / 103,634.80-143,014.46-58,312.84

Finding the Fourth Proportional to 103,634.80, 143,014.46 and 58,312.84

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Solution

The fourth proportional to 103,634.80, 143,014.46 and 58,312.84 is: 80,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.80 : 143,014.46 = 58,312.84 : x
  2. Step 2: Convert to fraction form
    103,634.80/143,014.46 = 58,312.84/x
  3. Step 3: Cross multiply
    103,634.80x = 143,014.46 × 58,312.84
  4. Step 4: Simplify right side
    103,634.80x = 8,339,579,323.67
  5. Step 5: Solve for x
    x = 8,339,579,323.67/103,634.80
  6. Step 6: Final answer
    x = 80,470.84

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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.