Home / 107,455.09-148,279.34-62,136

Finding the Fourth Proportional to 107,455.09, 148,279.34 and 62,136

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Solution

The fourth proportional to 107,455.09, 148,279.34 and 62,136 is: 85,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,455.09 : 148,279.34 = 62,136 : x
  2. Step 2: Convert to fraction form
    107,455.09/148,279.34 = 62,136/x
  3. Step 3: Cross multiply
    107,455.09x = 148,279.34 × 62,136
  4. Step 4: Simplify right side
    107,455.09x = 9,213,484,759.56
  5. Step 5: Solve for x
    x = 9,213,484,759.56/107,455.09
  6. Step 6: Final answer
    x = 85,742.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.