Home / 166,176.90-249,301.80-81,977.40

Finding the Fourth Proportional to 166,176.90, 249,301.80 and 81,977.40

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Solution

The fourth proportional to 166,176.90, 249,301.80 and 81,977.40 is: 122,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,176.90 : 249,301.80 = 81,977.40 : x
  2. Step 2: Convert to fraction form
    166,176.90/249,301.80 = 81,977.40/x
  3. Step 3: Cross multiply
    166,176.90x = 249,301.80 × 81,977.40
  4. Step 4: Simplify right side
    166,176.90x = 20,437,113,379.32
  5. Step 5: Solve for x
    x = 20,437,113,379.32/166,176.90
  6. Step 6: Final answer
    x = 122,984.08

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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.