Home / 144,320.52-199,153.74-79,785.89

Finding the Fourth Proportional to 144,320.52, 199,153.74 and 79,785.89

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Solution

The fourth proportional to 144,320.52, 199,153.74 and 79,785.89 is: 110,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,320.52 : 199,153.74 = 79,785.89 : x
  2. Step 2: Convert to fraction form
    144,320.52/199,153.74 = 79,785.89/x
  3. Step 3: Cross multiply
    144,320.52x = 199,153.74 × 79,785.89
  4. Step 4: Simplify right side
    144,320.52x = 15,889,658,199.45
  5. Step 5: Solve for x
    x = 15,889,658,199.45/144,320.52
  6. Step 6: Final answer
    x = 110,099.78

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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.