Home / 180,867.06-249,609.33-100,302.30

Finding the Fourth Proportional to 180,867.06, 249,609.33 and 100,302.30

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Solution

The fourth proportional to 180,867.06, 249,609.33 and 100,302.30 is: 138,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,867.06 : 249,609.33 = 100,302.30 : x
  2. Step 2: Convert to fraction form
    180,867.06/249,609.33 = 100,302.30/x
  3. Step 3: Cross multiply
    180,867.06x = 249,609.33 × 100,302.30
  4. Step 4: Simplify right side
    180,867.06x = 25,036,389,900.46
  5. Step 5: Solve for x
    x = 25,036,389,900.46/180,867.06
  6. Step 6: Final answer
    x = 138,424.27

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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.