Home / 180,855.92-249,580.73-100,281.38

Finding the Fourth Proportional to 180,855.92, 249,580.73 and 100,281.38

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Solution

The fourth proportional to 180,855.92, 249,580.73 and 100,281.38 is: 138,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,855.92 : 249,580.73 = 100,281.38 : x
  2. Step 2: Convert to fraction form
    180,855.92/249,580.73 = 100,281.38/x
  3. Step 3: Cross multiply
    180,855.92x = 249,580.73 × 100,281.38
  4. Step 4: Simplify right side
    180,855.92x = 25,028,299,028.61
  5. Step 5: Solve for x
    x = 25,028,299,028.61/180,855.92
  6. Step 6: Final answer
    x = 138,388.05

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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.