Home / 123,367.66-170,247.32-66,779.04

Finding the Fourth Proportional to 123,367.66, 170,247.32 and 66,779.04

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Solution

The fourth proportional to 123,367.66, 170,247.32 and 66,779.04 is: 92,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,367.66 : 170,247.32 = 66,779.04 : x
  2. Step 2: Convert to fraction form
    123,367.66/170,247.32 = 66,779.04/x
  3. Step 3: Cross multiply
    123,367.66x = 170,247.32 × 66,779.04
  4. Step 4: Simplify right side
    123,367.66x = 11,368,952,592.17
  5. Step 5: Solve for x
    x = 11,368,952,592.17/123,367.66
  6. Step 6: Final answer
    x = 92,155.05

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1.5x scale

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.