Home / 142,973.79-214,462.23-43,134.85

Finding the Fourth Proportional to 142,973.79, 214,462.23 and 43,134.85

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Solution

The fourth proportional to 142,973.79, 214,462.23 and 43,134.85 is: 64,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,973.79 : 214,462.23 = 43,134.85 : x
  2. Step 2: Convert to fraction form
    142,973.79/214,462.23 = 43,134.85/x
  3. Step 3: Cross multiply
    142,973.79x = 214,462.23 × 43,134.85
  4. Step 4: Simplify right side
    142,973.79x = 9,250,796,121.72
  5. Step 5: Solve for x
    x = 9,250,796,121.72/142,973.79
  6. Step 6: Final answer
    x = 64,702.74

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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.