Home / 166,622.70-249,934.05-73,128.45

Finding the Fourth Proportional to 166,622.70, 249,934.05 and 73,128.45

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Solution

The fourth proportional to 166,622.70, 249,934.05 and 73,128.45 is: 109,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,622.70 : 249,934.05 = 73,128.45 : x
  2. Step 2: Convert to fraction form
    166,622.70/249,934.05 = 73,128.45/x
  3. Step 3: Cross multiply
    166,622.70x = 249,934.05 × 73,128.45
  4. Step 4: Simplify right side
    166,622.70x = 18,277,289,678.72
  5. Step 5: Solve for x
    x = 18,277,289,678.72/166,622.70
  6. Step 6: Final answer
    x = 109,692.68

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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.