Home / 166,383.60-249,575.40-66,591.60

Finding the Fourth Proportional to 166,383.60, 249,575.40 and 66,591.60

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Solution

The fourth proportional to 166,383.60, 249,575.40 and 66,591.60 is: 99,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,383.60 : 249,575.40 = 66,591.60 : x
  2. Step 2: Convert to fraction form
    166,383.60/249,575.40 = 66,591.60/x
  3. Step 3: Cross multiply
    166,383.60x = 249,575.40 × 66,591.60
  4. Step 4: Simplify right side
    166,383.60x = 16,619,625,206.64
  5. Step 5: Solve for x
    x = 16,619,625,206.64/166,383.60
  6. Step 6: Final answer
    x = 99,887.40

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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.