Home / 180,733.20-249,254.64-135,512.88

Finding the Fourth Proportional to 180,733.20, 249,254.64 and 135,512.88

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Solution

The fourth proportional to 180,733.20, 249,254.64 and 135,512.88 is: 186,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,733.20 : 249,254.64 = 135,512.88 : x
  2. Step 2: Convert to fraction form
    180,733.20/249,254.64 = 135,512.88/x
  3. Step 3: Cross multiply
    180,733.20x = 249,254.64 × 135,512.88
  4. Step 4: Simplify right side
    180,733.20x = 33,777,214,119.76
  5. Step 5: Solve for x
    x = 33,777,214,119.76/180,733.20
  6. Step 6: Final answer
    x = 186,889.92

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1.5x scale

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.