Home / 111,140.51-166,693.68-36,260.46

Finding the Fourth Proportional to 111,140.51, 166,693.68 and 36,260.46

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Solution

The fourth proportional to 111,140.51, 166,693.68 and 36,260.46 is: 54,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,140.51 : 166,693.68 = 36,260.46 : x
  2. Step 2: Convert to fraction form
    111,140.51/166,693.68 = 36,260.46/x
  3. Step 3: Cross multiply
    111,140.51x = 166,693.68 × 36,260.46
  4. Step 4: Simplify right side
    111,140.51x = 6,044,389,515.89
  5. Step 5: Solve for x
    x = 6,044,389,515.89/111,140.51
  6. Step 6: Final answer
    x = 54,385.12

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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.