Home / 166,421.20-249,631.80-157,867.60

Finding the Fourth Proportional to 166,421.20, 249,631.80 and 157,867.60

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Solution

The fourth proportional to 166,421.20, 249,631.80 and 157,867.60 is: 236,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,421.20 : 249,631.80 = 157,867.60 : x
  2. Step 2: Convert to fraction form
    166,421.20/249,631.80 = 157,867.60/x
  3. Step 3: Cross multiply
    166,421.20x = 249,631.80 × 157,867.60
  4. Step 4: Simplify right side
    166,421.20x = 39,408,773,149.68
  5. Step 5: Solve for x
    x = 39,408,773,149.68/166,421.20
  6. Step 6: Final answer
    x = 236,801.40

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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.