Home / 166,423.60-249,635.40-66,599.20

Finding the Fourth Proportional to 166,423.60, 249,635.40 and 66,599.20

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Solution

The fourth proportional to 166,423.60, 249,635.40 and 66,599.20 is: 99,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,423.60 : 249,635.40 = 66,599.20 : x
  2. Step 2: Convert to fraction form
    166,423.60/249,635.40 = 66,599.20/x
  3. Step 3: Cross multiply
    166,423.60x = 249,635.40 × 66,599.20
  4. Step 4: Simplify right side
    166,423.60x = 16,625,517,931.68
  5. Step 5: Solve for x
    x = 16,625,517,931.68/166,423.60
  6. Step 6: Final answer
    x = 99,898.80

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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.