Home / 166,636.09-249,980.05-54,290.15

Finding the Fourth Proportional to 166,636.09, 249,980.05 and 54,290.15

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Solution

The fourth proportional to 166,636.09, 249,980.05 and 54,290.15 is: 81,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,636.09 : 249,980.05 = 54,290.15 : x
  2. Step 2: Convert to fraction form
    166,636.09/249,980.05 = 54,290.15/x
  3. Step 3: Cross multiply
    166,636.09x = 249,980.05 × 54,290.15
  4. Step 4: Simplify right side
    166,636.09x = 13,571,454,014.20
  5. Step 5: Solve for x
    x = 13,571,454,014.20/166,636.09
  6. Step 6: Final answer
    x = 81,443.67

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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.