Home / 133,440.32-200,129.03-49,154.70

Finding the Fourth Proportional to 133,440.32, 200,129.03 and 49,154.70

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Solution

The fourth proportional to 133,440.32, 200,129.03 and 49,154.70 is: 73,720.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,440.32 : 200,129.03 = 49,154.70 : x
  2. Step 2: Convert to fraction form
    133,440.32/200,129.03 = 49,154.70/x
  3. Step 3: Cross multiply
    133,440.32x = 200,129.03 × 49,154.70
  4. Step 4: Simplify right side
    133,440.32x = 9,837,282,430.94
  5. Step 5: Solve for x
    x = 9,837,282,430.94/133,440.32
  6. Step 6: Final answer
    x = 73,720.46

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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.