Home / 142,626.96-214,070.04-76,123.80

Finding the Fourth Proportional to 142,626.96, 214,070.04 and 76,123.80

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Solution

The fourth proportional to 142,626.96, 214,070.04 and 76,123.80 is: 114,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,626.96 : 214,070.04 = 76,123.80 : x
  2. Step 2: Convert to fraction form
    142,626.96/214,070.04 = 76,123.80/x
  3. Step 3: Cross multiply
    142,626.96x = 214,070.04 × 76,123.80
  4. Step 4: Simplify right side
    142,626.96x = 16,295,824,910.95
  5. Step 5: Solve for x
    x = 16,295,824,910.95/142,626.96
  6. Step 6: Final answer
    x = 114,254.87

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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.