Home / 126,564.64-174,685.84-105,323.04

Finding the Fourth Proportional to 126,564.64, 174,685.84 and 105,323.04

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Solution

The fourth proportional to 126,564.64, 174,685.84 and 105,323.04 is: 145,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,564.64 : 174,685.84 = 105,323.04 : x
  2. Step 2: Convert to fraction form
    126,564.64/174,685.84 = 105,323.04/x
  3. Step 3: Cross multiply
    126,564.64x = 174,685.84 × 105,323.04
  4. Step 4: Simplify right side
    126,564.64x = 18,398,443,713.75
  5. Step 5: Solve for x
    x = 18,398,443,713.75/126,564.64
  6. Step 6: Final answer
    x = 145,367.96

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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.