Home / 166,278.20-249,417.30-96,121.40

Finding the Fourth Proportional to 166,278.20, 249,417.30 and 96,121.40

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Solution

The fourth proportional to 166,278.20, 249,417.30 and 96,121.40 is: 144,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,278.20 : 249,417.30 = 96,121.40 : x
  2. Step 2: Convert to fraction form
    166,278.20/249,417.30 = 96,121.40/x
  3. Step 3: Cross multiply
    166,278.20x = 249,417.30 × 96,121.40
  4. Step 4: Simplify right side
    166,278.20x = 23,974,340,060.22
  5. Step 5: Solve for x
    x = 23,974,340,060.22/166,278.20
  6. Step 6: Final answer
    x = 144,182.10

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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.