Home / 105,860.88-146,088.63-58,114.62

Finding the Fourth Proportional to 105,860.88, 146,088.63 and 58,114.62

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Solution

The fourth proportional to 105,860.88, 146,088.63 and 58,114.62 is: 80,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,860.88 : 146,088.63 = 58,114.62 : x
  2. Step 2: Convert to fraction form
    105,860.88/146,088.63 = 58,114.62/x
  3. Step 3: Cross multiply
    105,860.88x = 146,088.63 × 58,114.62
  4. Step 4: Simplify right side
    105,860.88x = 8,489,885,218.77
  5. Step 5: Solve for x
    x = 8,489,885,218.77/105,860.88
  6. Step 6: Final answer
    x = 80,198.51

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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.