Home / 138,033.17-207,059.64-36,830.69

Finding the Fourth Proportional to 138,033.17, 207,059.64 and 36,830.69

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Solution

The fourth proportional to 138,033.17, 207,059.64 and 36,830.69 is: 55,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,033.17 : 207,059.64 = 36,830.69 : x
  2. Step 2: Convert to fraction form
    138,033.17/207,059.64 = 36,830.69/x
  3. Step 3: Cross multiply
    138,033.17x = 207,059.64 × 36,830.69
  4. Step 4: Simplify right side
    138,033.17x = 7,626,149,412.35
  5. Step 5: Solve for x
    x = 7,626,149,412.35/138,033.17
  6. Step 6: Final answer
    x = 55,248.67

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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.