Home / 126,445.84-174,498.78-69,860.86

Finding the Fourth Proportional to 126,445.84, 174,498.78 and 69,860.86

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Solution

The fourth proportional to 126,445.84, 174,498.78 and 69,860.86 is: 96,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,445.84 : 174,498.78 = 69,860.86 : x
  2. Step 2: Convert to fraction form
    126,445.84/174,498.78 = 69,860.86/x
  3. Step 3: Cross multiply
    126,445.84x = 174,498.78 × 69,860.86
  4. Step 4: Simplify right side
    126,445.84x = 12,190,634,839.75
  5. Step 5: Solve for x
    x = 12,190,634,839.75/126,445.84
  6. Step 6: Final answer
    x = 96,409.93

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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.