Home / 126,583.21-189,802.86-51,615.55

Finding the Fourth Proportional to 126,583.21, 189,802.86 and 51,615.55

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Solution

The fourth proportional to 126,583.21, 189,802.86 and 51,615.55 is: 77,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,583.21 : 189,802.86 = 51,615.55 : x
  2. Step 2: Convert to fraction form
    126,583.21/189,802.86 = 51,615.55/x
  3. Step 3: Cross multiply
    126,583.21x = 189,802.86 × 51,615.55
  4. Step 4: Simplify right side
    126,583.21x = 9,796,779,010.47
  5. Step 5: Solve for x
    x = 9,796,779,010.47/126,583.21
  6. Step 6: Final answer
    x = 77,393.98

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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.