Home / 166,431.40-249,339.90-155,372.20

Finding the Fourth Proportional to 166,431.40, 249,339.90 and 155,372.20

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Solution

The fourth proportional to 166,431.40, 249,339.90 and 155,372.20 is: 232,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,431.40 : 249,339.90 = 155,372.20 : x
  2. Step 2: Convert to fraction form
    166,431.40/249,339.90 = 155,372.20/x
  3. Step 3: Cross multiply
    166,431.40x = 249,339.90 × 155,372.20
  4. Step 4: Simplify right side
    166,431.40x = 38,740,488,810.78
  5. Step 5: Solve for x
    x = 38,740,488,810.78/166,431.40
  6. Step 6: Final answer
    x = 232,771.51

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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.