Home / 104,273.20-143,889.78-58,953.40

Finding the Fourth Proportional to 104,273.20, 143,889.78 and 58,953.40

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Solution

The fourth proportional to 104,273.20, 143,889.78 and 58,953.40 is: 81,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,273.20 : 143,889.78 = 58,953.40 : x
  2. Step 2: Convert to fraction form
    104,273.20/143,889.78 = 58,953.40/x
  3. Step 3: Cross multiply
    104,273.20x = 143,889.78 × 58,953.40
  4. Step 4: Simplify right side
    104,273.20x = 8,482,791,756.25
  5. Step 5: Solve for x
    x = 8,482,791,756.25/104,273.20
  6. Step 6: Final answer
    x = 81,351.60

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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.