Home / 199,516.20-299,015.10-144,047.40

Finding the Fourth Proportional to 199,516.20, 299,015.10 and 144,047.40

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Solution

The fourth proportional to 199,516.20, 299,015.10 and 144,047.40 is: 215,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,516.20 : 299,015.10 = 144,047.40 : x
  2. Step 2: Convert to fraction form
    199,516.20/299,015.10 = 144,047.40/x
  3. Step 3: Cross multiply
    199,516.20x = 299,015.10 × 144,047.40
  4. Step 4: Simplify right side
    199,516.20x = 43,072,347,715.74
  5. Step 5: Solve for x
    x = 43,072,347,715.74/199,516.20
  6. Step 6: Final answer
    x = 215,883.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.