Home / 166,443.40-249,665.10-73,131.40

Finding the Fourth Proportional to 166,443.40, 249,665.10 and 73,131.40

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Solution

The fourth proportional to 166,443.40, 249,665.10 and 73,131.40 is: 109,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,443.40 : 249,665.10 = 73,131.40 : x
  2. Step 2: Convert to fraction form
    166,443.40/249,665.10 = 73,131.40/x
  3. Step 3: Cross multiply
    166,443.40x = 249,665.10 × 73,131.40
  4. Step 4: Simplify right side
    166,443.40x = 18,258,358,294.14
  5. Step 5: Solve for x
    x = 18,258,358,294.14/166,443.40
  6. Step 6: Final answer
    x = 109,697.10

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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.