Home / 180,581.46-249,243.88-120,154.64

Finding the Fourth Proportional to 180,581.46, 249,243.88 and 120,154.64

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Solution

The fourth proportional to 180,581.46, 249,243.88 and 120,154.64 is: 165,840.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,581.46 : 249,243.88 = 120,154.64 : x
  2. Step 2: Convert to fraction form
    180,581.46/249,243.88 = 120,154.64/x
  3. Step 3: Cross multiply
    180,581.46x = 249,243.88 × 120,154.64
  4. Step 4: Simplify right side
    180,581.46x = 29,947,808,673.60
  5. Step 5: Solve for x
    x = 29,947,808,673.60/180,581.46
  6. Step 6: Final answer
    x = 165,840.99

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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.