Home / 180,869.28-249,601.76-100,297.84

Finding the Fourth Proportional to 180,869.28, 249,601.76 and 100,297.84

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Solution

The fourth proportional to 180,869.28, 249,601.76 and 100,297.84 is: 138,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,869.28 : 249,601.76 = 100,297.84 : x
  2. Step 2: Convert to fraction form
    180,869.28/249,601.76 = 100,297.84/x
  3. Step 3: Cross multiply
    180,869.28x = 249,601.76 × 100,297.84
  4. Step 4: Simplify right side
    180,869.28x = 25,034,517,388.20
  5. Step 5: Solve for x
    x = 25,034,517,388.20/180,869.28
  6. Step 6: Final answer
    x = 138,412.21

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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.