Home / 144,617.16-199,431.48-112,774.44

Finding the Fourth Proportional to 144,617.16, 199,431.48 and 112,774.44

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Solution

The fourth proportional to 144,617.16, 199,431.48 and 112,774.44 is: 155,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,617.16 : 199,431.48 = 112,774.44 : x
  2. Step 2: Convert to fraction form
    144,617.16/199,431.48 = 112,774.44/x
  3. Step 3: Cross multiply
    144,617.16x = 199,431.48 × 112,774.44
  4. Step 4: Simplify right side
    144,617.16x = 22,490,773,475.37
  5. Step 5: Solve for x
    x = 22,490,773,475.37/144,617.16
  6. Step 6: Final answer
    x = 155,519.40

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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.