Home / 108,312.08-162,467.04-82,177.16

Finding the Fourth Proportional to 108,312.08, 162,467.04 and 82,177.16

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Solution

The fourth proportional to 108,312.08, 162,467.04 and 82,177.16 is: 123,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,312.08 : 162,467.04 = 82,177.16 : x
  2. Step 2: Convert to fraction form
    108,312.08/162,467.04 = 82,177.16/x
  3. Step 3: Cross multiply
    108,312.08x = 162,467.04 × 82,177.16
  4. Step 4: Simplify right side
    108,312.08x = 13,351,079,940.81
  5. Step 5: Solve for x
    x = 13,351,079,940.81/108,312.08
  6. Step 6: Final answer
    x = 123,264.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.