Home / 135,006.10-202,217.55-72,603.70

Finding the Fourth Proportional to 135,006.10, 202,217.55 and 72,603.70

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Solution

The fourth proportional to 135,006.10, 202,217.55 and 72,603.70 is: 108,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,006.10 : 202,217.55 = 72,603.70 : x
  2. Step 2: Convert to fraction form
    135,006.10/202,217.55 = 72,603.70/x
  3. Step 3: Cross multiply
    135,006.10x = 202,217.55 × 72,603.70
  4. Step 4: Simplify right side
    135,006.10x = 14,681,742,334.94
  5. Step 5: Solve for x
    x = 14,681,742,334.94/135,006.10
  6. Step 6: Final answer
    x = 108,748.73

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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.