Home / 142,711.10-214,099.05-83,516.30

Finding the Fourth Proportional to 142,711.10, 214,099.05 and 83,516.30

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Solution

The fourth proportional to 142,711.10, 214,099.05 and 83,516.30 is: 125,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,711.10 : 214,099.05 = 83,516.30 : x
  2. Step 2: Convert to fraction form
    142,711.10/214,099.05 = 83,516.30/x
  3. Step 3: Cross multiply
    142,711.10x = 214,099.05 × 83,516.30
  4. Step 4: Simplify right side
    142,711.10x = 17,880,760,489.52
  5. Step 5: Solve for x
    x = 17,880,760,489.52/142,711.10
  6. Step 6: Final answer
    x = 125,293.41

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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.