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Finding the Fourth Proportional to 111,955.68, 168,166.80 and 94,459.68

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Solution

The fourth proportional to 111,955.68, 168,166.80 and 94,459.68 is: 141,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,955.68 : 168,166.80 = 94,459.68 : x
  2. Step 2: Convert to fraction form
    111,955.68/168,166.80 = 94,459.68/x
  3. Step 3: Cross multiply
    111,955.68x = 168,166.80 × 94,459.68
  4. Step 4: Simplify right side
    111,955.68x = 15,884,982,114.62
  5. Step 5: Solve for x
    x = 15,884,982,114.62/111,955.68
  6. Step 6: Final answer
    x = 141,886.34

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1.5x scale

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.