Home / 144,449.19-199,256.36-87,049.35

Finding the Fourth Proportional to 144,449.19, 199,256.36 and 87,049.35

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Solution

The fourth proportional to 144,449.19, 199,256.36 and 87,049.35 is: 120,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,449.19 : 199,256.36 = 87,049.35 : x
  2. Step 2: Convert to fraction form
    144,449.19/199,256.36 = 87,049.35/x
  3. Step 3: Cross multiply
    144,449.19x = 199,256.36 × 87,049.35
  4. Step 4: Simplify right side
    144,449.19x = 17,345,136,186.12
  5. Step 5: Solve for x
    x = 17,345,136,186.12/144,449.19
  6. Step 6: Final answer
    x = 120,077.77

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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.