Home / 124,074.04-186,128.22-39,814.39

Finding the Fourth Proportional to 124,074.04, 186,128.22 and 39,814.39

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Solution

The fourth proportional to 124,074.04, 186,128.22 and 39,814.39 is: 59,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,074.04 : 186,128.22 = 39,814.39 : x
  2. Step 2: Convert to fraction form
    124,074.04/186,128.22 = 39,814.39/x
  3. Step 3: Cross multiply
    124,074.04x = 186,128.22 × 39,814.39
  4. Step 4: Simplify right side
    124,074.04x = 7,410,581,541.09
  5. Step 5: Solve for x
    x = 7,410,581,541.09/124,074.04
  6. Step 6: Final answer
    x = 59,727.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.