Home / 180,772.22-249,461.78-100,199.03

Finding the Fourth Proportional to 180,772.22, 249,461.78 and 100,199.03

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Solution

The fourth proportional to 180,772.22, 249,461.78 and 100,199.03 is: 138,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,772.22 : 249,461.78 = 100,199.03 : x
  2. Step 2: Convert to fraction form
    180,772.22/249,461.78 = 100,199.03/x
  3. Step 3: Cross multiply
    180,772.22x = 249,461.78 × 100,199.03
  4. Step 4: Simplify right side
    180,772.22x = 24,995,826,629.77
  5. Step 5: Solve for x
    x = 24,995,826,629.77/180,772.22
  6. Step 6: Final answer
    x = 138,272.50

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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.