Home / 133,510.20-199,973.70-103,694.10

Finding the Fourth Proportional to 133,510.20, 199,973.70 and 103,694.10

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Solution

The fourth proportional to 133,510.20, 199,973.70 and 103,694.10 is: 155,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,510.20 : 199,973.70 = 103,694.10 : x
  2. Step 2: Convert to fraction form
    133,510.20/199,973.70 = 103,694.10/x
  3. Step 3: Cross multiply
    133,510.20x = 199,973.70 × 103,694.10
  4. Step 4: Simplify right side
    133,510.20x = 20,736,092,845.17
  5. Step 5: Solve for x
    x = 20,736,092,845.17/133,510.20
  6. Step 6: Final answer
    x = 155,314.67

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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.