Home / 104,008.56-143,529.47-58,685.38

Finding the Fourth Proportional to 104,008.56, 143,529.47 and 58,685.38

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Solution

The fourth proportional to 104,008.56, 143,529.47 and 58,685.38 is: 80,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008.56 : 143,529.47 = 58,685.38 : x
  2. Step 2: Convert to fraction form
    104,008.56/143,529.47 = 58,685.38/x
  3. Step 3: Cross multiply
    104,008.56x = 143,529.47 × 58,685.38
  4. Step 4: Simplify right side
    104,008.56x = 8,423,081,055.97
  5. Step 5: Solve for x
    x = 8,423,081,055.97/104,008.56
  6. Step 6: Final answer
    x = 80,984.50

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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.