Home / 144,349.29-199,197.87-79,817.40

Finding the Fourth Proportional to 144,349.29, 199,197.87 and 79,817.40

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Solution

The fourth proportional to 144,349.29, 199,197.87 and 79,817.40 is: 110,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,349.29 : 199,197.87 = 79,817.40 : x
  2. Step 2: Convert to fraction form
    144,349.29/199,197.87 = 79,817.40/x
  3. Step 3: Cross multiply
    144,349.29x = 199,197.87 × 79,817.40
  4. Step 4: Simplify right side
    144,349.29x = 15,899,456,068.94
  5. Step 5: Solve for x
    x = 15,899,456,068.94/144,349.29
  6. Step 6: Final answer
    x = 110,145.72

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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.