Home / 133,031.85-199,604.48-69,900.45

Finding the Fourth Proportional to 133,031.85, 199,604.48 and 69,900.45

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Solution

The fourth proportional to 133,031.85, 199,604.48 and 69,900.45 is: 104,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031.85 : 199,604.48 = 69,900.45 : x
  2. Step 2: Convert to fraction form
    133,031.85/199,604.48 = 69,900.45/x
  3. Step 3: Cross multiply
    133,031.85x = 199,604.48 × 69,900.45
  4. Step 4: Simplify right side
    133,031.85x = 13,952,442,624.51
  5. Step 5: Solve for x
    x = 13,952,442,624.51/133,031.85
  6. Step 6: Final answer
    x = 104,880.47

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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.