Home / 110,723.40-166,085.10-103,287.60

Finding the Fourth Proportional to 110,723.40, 166,085.10 and 103,287.60

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Solution

The fourth proportional to 110,723.40, 166,085.10 and 103,287.60 is: 154,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,723.40 : 166,085.10 = 103,287.60 : x
  2. Step 2: Convert to fraction form
    110,723.40/166,085.10 = 103,287.60/x
  3. Step 3: Cross multiply
    110,723.40x = 166,085.10 × 103,287.60
  4. Step 4: Simplify right side
    110,723.40x = 17,154,531,374.76
  5. Step 5: Solve for x
    x = 17,154,531,374.76/110,723.40
  6. Step 6: Final answer
    x = 154,931.40

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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.