Home / 141,385.74-212,022.81-57,130.02

Finding the Fourth Proportional to 141,385.74, 212,022.81 and 57,130.02

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Solution

The fourth proportional to 141,385.74, 212,022.81 and 57,130.02 is: 85,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,385.74 : 212,022.81 = 57,130.02 : x
  2. Step 2: Convert to fraction form
    141,385.74/212,022.81 = 57,130.02/x
  3. Step 3: Cross multiply
    141,385.74x = 212,022.81 × 57,130.02
  4. Step 4: Simplify right side
    141,385.74x = 12,112,867,375.76
  5. Step 5: Solve for x
    x = 12,112,867,375.76/141,385.74
  6. Step 6: Final answer
    x = 85,672.48

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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.