Home / 138,746.76-208,096.67-38,883.98

Finding the Fourth Proportional to 138,746.76, 208,096.67 and 38,883.98

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Solution

The fourth proportional to 138,746.76, 208,096.67 and 38,883.98 is: 58,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,746.76 : 208,096.67 = 38,883.98 : x
  2. Step 2: Convert to fraction form
    138,746.76/208,096.67 = 38,883.98/x
  3. Step 3: Cross multiply
    138,746.76x = 208,096.67 × 38,883.98
  4. Step 4: Simplify right side
    138,746.76x = 8,091,625,519.44
  5. Step 5: Solve for x
    x = 8,091,625,519.44/138,746.76
  6. Step 6: Final answer
    x = 58,319.38

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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.