Home / 115,823.40-173,772-51,771.64

Finding the Fourth Proportional to 115,823.40, 173,772 and 51,771.64

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Solution

The fourth proportional to 115,823.40, 173,772 and 51,771.64 is: 77,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,823.40 : 173,772 = 51,771.64 : x
  2. Step 2: Convert to fraction form
    115,823.40/173,772 = 51,771.64/x
  3. Step 3: Cross multiply
    115,823.40x = 173,772 × 51,771.64
  4. Step 4: Simplify right side
    115,823.40x = 8,996,461,426.08
  5. Step 5: Solve for x
    x = 8,996,461,426.08/115,823.40
  6. Step 6: Final answer
    x = 77,673.95

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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.