Home / 188,421.22-282,559.47-76,062.34

Finding the Fourth Proportional to 188,421.22, 282,559.47 and 76,062.34

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Solution

The fourth proportional to 188,421.22, 282,559.47 and 76,062.34 is: 114,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,421.22 : 282,559.47 = 76,062.34 : x
  2. Step 2: Convert to fraction form
    188,421.22/282,559.47 = 76,062.34/x
  3. Step 3: Cross multiply
    188,421.22x = 282,559.47 × 76,062.34
  4. Step 4: Simplify right side
    188,421.22x = 21,492,134,477.36
  5. Step 5: Solve for x
    x = 21,492,134,477.36/188,421.22
  6. Step 6: Final answer
    x = 114,064.30

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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.