Home / 126,168.35-189,262.77-37,421.60

Finding the Fourth Proportional to 126,168.35, 189,262.77 and 37,421.60

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Solution

The fourth proportional to 126,168.35, 189,262.77 and 37,421.60 is: 56,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,168.35 : 189,262.77 = 37,421.60 : x
  2. Step 2: Convert to fraction form
    126,168.35/189,262.77 = 37,421.60/x
  3. Step 3: Cross multiply
    126,168.35x = 189,262.77 × 37,421.60
  4. Step 4: Simplify right side
    126,168.35x = 7,082,514,957.07
  5. Step 5: Solve for x
    x = 7,082,514,957.07/126,168.35
  6. Step 6: Final answer
    x = 56,135.43

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1.5x scale

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.