Home / 103,669.90-143,069.06-58,350.81

Finding the Fourth Proportional to 103,669.90, 143,069.06 and 58,350.81

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Solution

The fourth proportional to 103,669.90, 143,069.06 and 58,350.81 is: 80,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.90 : 143,069.06 = 58,350.81 : x
  2. Step 2: Convert to fraction form
    103,669.90/143,069.06 = 58,350.81/x
  3. Step 3: Cross multiply
    103,669.90x = 143,069.06 × 58,350.81
  4. Step 4: Simplify right side
    103,669.90x = 8,348,195,536.94
  5. Step 5: Solve for x
    x = 8,348,195,536.94/103,669.90
  6. Step 6: Final answer
    x = 80,526.71

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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.