Home / 144,347.43-199,191.38-79,812.93

Finding the Fourth Proportional to 144,347.43, 199,191.38 and 79,812.93

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Solution

The fourth proportional to 144,347.43, 199,191.38 and 79,812.93 is: 110,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,347.43 : 199,191.38 = 79,812.93 : x
  2. Step 2: Convert to fraction form
    144,347.43/199,191.38 = 79,812.93/x
  3. Step 3: Cross multiply
    144,347.43x = 199,191.38 × 79,812.93
  4. Step 4: Simplify right side
    144,347.43x = 15,898,047,868.08
  5. Step 5: Solve for x
    x = 15,898,047,868.08/144,347.43
  6. Step 6: Final answer
    x = 110,137.38

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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.