Home / 166,638.79-249,956.98-66,797.53

Finding the Fourth Proportional to 166,638.79, 249,956.98 and 66,797.53

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Solution

The fourth proportional to 166,638.79, 249,956.98 and 66,797.53 is: 100,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,638.79 : 249,956.98 = 66,797.53 : x
  2. Step 2: Convert to fraction form
    166,638.79/249,956.98 = 66,797.53/x
  3. Step 3: Cross multiply
    166,638.79x = 249,956.98 × 66,797.53
  4. Step 4: Simplify right side
    166,638.79x = 16,696,508,870.26
  5. Step 5: Solve for x
    x = 16,696,508,870.26/166,638.79
  6. Step 6: Final answer
    x = 100,195.81

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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.