Home / 142,795.40-214,112.10-54,051.80

Finding the Fourth Proportional to 142,795.40, 214,112.10 and 54,051.80

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Solution

The fourth proportional to 142,795.40, 214,112.10 and 54,051.80 is: 81,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,795.40 : 214,112.10 = 54,051.80 : x
  2. Step 2: Convert to fraction form
    142,795.40/214,112.10 = 54,051.80/x
  3. Step 3: Cross multiply
    142,795.40x = 214,112.10 × 54,051.80
  4. Step 4: Simplify right side
    142,795.40x = 11,573,144,406.78
  5. Step 5: Solve for x
    x = 11,573,144,406.78/142,795.40
  6. Step 6: Final answer
    x = 81,047.04

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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.