Home / 126,784.09-174,960.57-69,422.86

Finding the Fourth Proportional to 126,784.09, 174,960.57 and 69,422.86

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Solution

The fourth proportional to 126,784.09, 174,960.57 and 69,422.86 is: 95,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,784.09 : 174,960.57 = 69,422.86 : x
  2. Step 2: Convert to fraction form
    126,784.09/174,960.57 = 69,422.86/x
  3. Step 3: Cross multiply
    126,784.09x = 174,960.57 × 69,422.86
  4. Step 4: Simplify right side
    126,784.09x = 12,146,263,156.63
  5. Step 5: Solve for x
    x = 12,146,263,156.63/126,784.09
  6. Step 6: Final answer
    x = 95,802.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.