Home / 166,116.30-249,210.90-53,777.40

Finding the Fourth Proportional to 166,116.30, 249,210.90 and 53,777.40

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Solution

The fourth proportional to 166,116.30, 249,210.90 and 53,777.40 is: 80,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,116.30 : 249,210.90 = 53,777.40 : x
  2. Step 2: Convert to fraction form
    166,116.30/249,210.90 = 53,777.40/x
  3. Step 3: Cross multiply
    166,116.30x = 249,210.90 × 53,777.40
  4. Step 4: Simplify right side
    166,116.30x = 13,401,914,253.66
  5. Step 5: Solve for x
    x = 13,401,914,253.66/166,116.30
  6. Step 6: Final answer
    x = 80,677.90

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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.