Home / 166,258.20-249,419.70-66,401.40

Finding the Fourth Proportional to 166,258.20, 249,419.70 and 66,401.40

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Solution

The fourth proportional to 166,258.20, 249,419.70 and 66,401.40 is: 99,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,258.20 : 249,419.70 = 66,401.40 : x
  2. Step 2: Convert to fraction form
    166,258.20/249,419.70 = 66,401.40/x
  3. Step 3: Cross multiply
    166,258.20x = 249,419.70 × 66,401.40
  4. Step 4: Simplify right side
    166,258.20x = 16,561,817,267.58
  5. Step 5: Solve for x
    x = 16,561,817,267.58/166,258.20
  6. Step 6: Final answer
    x = 99,615.04

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1.5x scale

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.