Home / 133,870.50-200,806.44-45,124.77

Finding the Fourth Proportional to 133,870.50, 200,806.44 and 45,124.77

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Solution

The fourth proportional to 133,870.50, 200,806.44 and 45,124.77 is: 67,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,870.50 : 200,806.44 = 45,124.77 : x
  2. Step 2: Convert to fraction form
    133,870.50/200,806.44 = 45,124.77/x
  3. Step 3: Cross multiply
    133,870.50x = 200,806.44 × 45,124.77
  4. Step 4: Simplify right side
    133,870.50x = 9,061,344,419.52
  5. Step 5: Solve for x
    x = 9,061,344,419.52/133,870.50
  6. Step 6: Final answer
    x = 67,687.39

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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.