Home / 104,211.75-143,805.54-58,275.18

Finding the Fourth Proportional to 104,211.75, 143,805.54 and 58,275.18

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Solution

The fourth proportional to 104,211.75, 143,805.54 and 58,275.18 is: 80,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,211.75 : 143,805.54 = 58,275.18 : x
  2. Step 2: Convert to fraction form
    104,211.75/143,805.54 = 58,275.18/x
  3. Step 3: Cross multiply
    104,211.75x = 143,805.54 × 58,275.18
  4. Step 4: Simplify right side
    104,211.75x = 8,380,293,582.81
  5. Step 5: Solve for x
    x = 8,380,293,582.81/104,211.75
  6. Step 6: Final answer
    x = 80,416.02

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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.