Home / 103,733.95-143,166.49-58,420.79

Finding the Fourth Proportional to 103,733.95, 143,166.49 and 58,420.79

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Solution

The fourth proportional to 103,733.95, 143,166.49 and 58,420.79 is: 80,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,733.95 : 143,166.49 = 58,420.79 : x
  2. Step 2: Convert to fraction form
    103,733.95/143,166.49 = 58,420.79/x
  3. Step 3: Cross multiply
    103,733.95x = 143,166.49 × 58,420.79
  4. Step 4: Simplify right side
    103,733.95x = 8,363,899,286.63
  5. Step 5: Solve for x
    x = 8,363,899,286.63/103,733.95
  6. Step 6: Final answer
    x = 80,628.37

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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.