Home / 180,901.20-249,645.06-100,324.20

Finding the Fourth Proportional to 180,901.20, 249,645.06 and 100,324.20

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Solution

The fourth proportional to 180,901.20, 249,645.06 and 100,324.20 is: 138,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,901.20 : 249,645.06 = 100,324.20 : x
  2. Step 2: Convert to fraction form
    180,901.20/249,645.06 = 100,324.20/x
  3. Step 3: Cross multiply
    180,901.20x = 249,645.06 × 100,324.20
  4. Step 4: Simplify right side
    180,901.20x = 25,045,440,928.45
  5. Step 5: Solve for x
    x = 25,045,440,928.45/180,901.20
  6. Step 6: Final answer
    x = 138,448.17

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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.