Home / 180,981.46-249,729.33-120,591.10

Finding the Fourth Proportional to 180,981.46, 249,729.33 and 120,591.10

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Solution

The fourth proportional to 180,981.46, 249,729.33 and 120,591.10 is: 166,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,981.46 : 249,729.33 = 120,591.10 : x
  2. Step 2: Convert to fraction form
    180,981.46/249,729.33 = 120,591.10/x
  3. Step 3: Cross multiply
    180,981.46x = 249,729.33 × 120,591.10
  4. Step 4: Simplify right side
    180,981.46x = 30,115,133,982.64
  5. Step 5: Solve for x
    x = 30,115,133,982.64/180,981.46
  6. Step 6: Final answer
    x = 166,399.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.