Home / 127,282.72-191,002.92-73,999.77

Finding the Fourth Proportional to 127,282.72, 191,002.92 and 73,999.77

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Solution

The fourth proportional to 127,282.72, 191,002.92 and 73,999.77 is: 111,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,282.72 : 191,002.92 = 73,999.77 : x
  2. Step 2: Convert to fraction form
    127,282.72/191,002.92 = 73,999.77/x
  3. Step 3: Cross multiply
    127,282.72x = 191,002.92 × 73,999.77
  4. Step 4: Simplify right side
    127,282.72x = 14,134,172,149.33
  5. Step 5: Solve for x
    x = 14,134,172,149.33/127,282.72
  6. Step 6: Final answer
    x = 111,045.49

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1.5x scale

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.