Home / 142,914.18-214,373.70-54,209.46

Finding the Fourth Proportional to 142,914.18, 214,373.70 and 54,209.46

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Solution

The fourth proportional to 142,914.18, 214,373.70 and 54,209.46 is: 81,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,914.18 : 214,373.70 = 54,209.46 : x
  2. Step 2: Convert to fraction form
    142,914.18/214,373.70 = 54,209.46/x
  3. Step 3: Cross multiply
    142,914.18x = 214,373.70 × 54,209.46
  4. Step 4: Simplify right side
    142,914.18x = 11,621,082,515.20
  5. Step 5: Solve for x
    x = 11,621,082,515.20/142,914.18
  6. Step 6: Final answer
    x = 81,315.11

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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.