Home / 126,513.32-174,588.23-69,153.02

Finding the Fourth Proportional to 126,513.32, 174,588.23 and 69,153.02

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Solution

The fourth proportional to 126,513.32, 174,588.23 and 69,153.02 is: 95,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,513.32 : 174,588.23 = 69,153.02 : x
  2. Step 2: Convert to fraction form
    126,513.32/174,588.23 = 69,153.02/x
  3. Step 3: Cross multiply
    126,513.32x = 174,588.23 × 69,153.02
  4. Step 4: Simplify right side
    126,513.32x = 12,073,302,660.90
  5. Step 5: Solve for x
    x = 12,073,302,660.90/126,513.32
  6. Step 6: Final answer
    x = 95,431.08

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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.