Home / 107,834.23-148,822.31-64,827.64

Finding the Fourth Proportional to 107,834.23, 148,822.31 and 64,827.64

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Solution

The fourth proportional to 107,834.23, 148,822.31 and 64,827.64 is: 89,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,834.23 : 148,822.31 = 64,827.64 : x
  2. Step 2: Convert to fraction form
    107,834.23/148,822.31 = 64,827.64/x
  3. Step 3: Cross multiply
    107,834.23x = 148,822.31 × 64,827.64
  4. Step 4: Simplify right side
    107,834.23x = 9,647,799,427.67
  5. Step 5: Solve for x
    x = 9,647,799,427.67/107,834.23
  6. Step 6: Final answer
    x = 89,468.80

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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.