Home / 126,463.09-174,522.59-69,878.11

Finding the Fourth Proportional to 126,463.09, 174,522.59 and 69,878.11

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Solution

The fourth proportional to 126,463.09, 174,522.59 and 69,878.11 is: 96,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,463.09 : 174,522.59 = 69,878.11 : x
  2. Step 2: Convert to fraction form
    126,463.09/174,522.59 = 69,878.11/x
  3. Step 3: Cross multiply
    126,463.09x = 174,522.59 × 69,878.11
  4. Step 4: Simplify right side
    126,463.09x = 12,195,308,741.50
  5. Step 5: Solve for x
    x = 12,195,308,741.50/126,463.09
  6. Step 6: Final answer
    x = 96,433.74

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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.