Home / 144,417.08-199,296.23-80,754.90

Finding the Fourth Proportional to 144,417.08, 199,296.23 and 80,754.90

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Solution

The fourth proportional to 144,417.08, 199,296.23 and 80,754.90 is: 111,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,417.08 : 199,296.23 = 80,754.90 : x
  2. Step 2: Convert to fraction form
    144,417.08/199,296.23 = 80,754.90/x
  3. Step 3: Cross multiply
    144,417.08x = 199,296.23 × 80,754.90
  4. Step 4: Simplify right side
    144,417.08x = 16,094,146,720.25
  5. Step 5: Solve for x
    x = 16,094,146,720.25/144,417.08
  6. Step 6: Final answer
    x = 111,442.13

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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.