Home / 104,143.73-143,723.58-61,125.08

Finding the Fourth Proportional to 104,143.73, 143,723.58 and 61,125.08

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Solution

The fourth proportional to 104,143.73, 143,723.58 and 61,125.08 is: 84,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,143.73 : 143,723.58 = 61,125.08 : x
  2. Step 2: Convert to fraction form
    104,143.73/143,723.58 = 61,125.08/x
  3. Step 3: Cross multiply
    104,143.73x = 143,723.58 × 61,125.08
  4. Step 4: Simplify right side
    104,143.73x = 8,785,115,325.39
  5. Step 5: Solve for x
    x = 8,785,115,325.39/104,143.73
  6. Step 6: Final answer
    x = 84,355.68

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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.