Home / 104,160.54-143,741.10-58,220.12

Finding the Fourth Proportional to 104,160.54, 143,741.10 and 58,220.12

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Solution

The fourth proportional to 104,160.54, 143,741.10 and 58,220.12 is: 80,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,160.54 : 143,741.10 = 58,220.12 : x
  2. Step 2: Convert to fraction form
    104,160.54/143,741.10 = 58,220.12/x
  3. Step 3: Cross multiply
    104,160.54x = 143,741.10 × 58,220.12
  4. Step 4: Simplify right side
    104,160.54x = 8,368,624,090.93
  5. Step 5: Solve for x
    x = 8,368,624,090.93/104,160.54
  6. Step 6: Final answer
    x = 80,343.52

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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.