Home / 142,966.10-214,384.35-54,190.10

Finding the Fourth Proportional to 142,966.10, 214,384.35 and 54,190.10

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Solution

The fourth proportional to 142,966.10, 214,384.35 and 54,190.10 is: 81,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,966.10 : 214,384.35 = 54,190.10 : x
  2. Step 2: Convert to fraction form
    142,966.10/214,384.35 = 54,190.10/x
  3. Step 3: Cross multiply
    142,966.10x = 214,384.35 × 54,190.10
  4. Step 4: Simplify right side
    142,966.10x = 11,617,509,364.94
  5. Step 5: Solve for x
    x = 11,617,509,364.94/142,966.10
  6. Step 6: Final answer
    x = 81,260.59

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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.