Home / 163,038.24-224,989.92-91,418.04

Finding the Fourth Proportional to 163,038.24, 224,989.92 and 91,418.04

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Solution

The fourth proportional to 163,038.24, 224,989.92 and 91,418.04 is: 126,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,038.24 : 224,989.92 = 91,418.04 : x
  2. Step 2: Convert to fraction form
    163,038.24/224,989.92 = 91,418.04/x
  3. Step 3: Cross multiply
    163,038.24x = 224,989.92 × 91,418.04
  4. Step 4: Simplify right side
    163,038.24x = 20,568,137,506.16
  5. Step 5: Solve for x
    x = 20,568,137,506.16/163,038.24
  6. Step 6: Final answer
    x = 126,155.30

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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.