Home / 166,386.30-249,615.90-54,047.40

Finding the Fourth Proportional to 166,386.30, 249,615.90 and 54,047.40

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Solution

The fourth proportional to 166,386.30, 249,615.90 and 54,047.40 is: 81,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,386.30 : 249,615.90 = 54,047.40 : x
  2. Step 2: Convert to fraction form
    166,386.30/249,615.90 = 54,047.40/x
  3. Step 3: Cross multiply
    166,386.30x = 249,615.90 × 54,047.40
  4. Step 4: Simplify right side
    166,386.30x = 13,491,090,393.66
  5. Step 5: Solve for x
    x = 13,491,090,393.66/166,386.30
  6. Step 6: Final answer
    x = 81,082.94

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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.