Home / 126,157.22-189,272.36-37,412.86

Finding the Fourth Proportional to 126,157.22, 189,272.36 and 37,412.86

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Solution

The fourth proportional to 126,157.22, 189,272.36 and 37,412.86 is: 56,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,157.22 : 189,272.36 = 37,412.86 : x
  2. Step 2: Convert to fraction form
    126,157.22/189,272.36 = 37,412.86/x
  3. Step 3: Cross multiply
    126,157.22x = 189,272.36 × 37,412.86
  4. Step 4: Simplify right side
    126,157.22x = 7,081,220,656.28
  5. Step 5: Solve for x
    x = 7,081,220,656.28/126,157.22
  6. Step 6: Final answer
    x = 56,130.13

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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.