Home / 180,832.40-249,549.91-100,265.14

Finding the Fourth Proportional to 180,832.40, 249,549.91 and 100,265.14

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Solution

The fourth proportional to 180,832.40, 249,549.91 and 100,265.14 is: 138,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,832.40 : 249,549.91 = 100,265.14 : x
  2. Step 2: Convert to fraction form
    180,832.40/249,549.91 = 100,265.14/x
  3. Step 3: Cross multiply
    180,832.40x = 249,549.91 × 100,265.14
  4. Step 4: Simplify right side
    180,832.40x = 25,021,157,288.40
  5. Step 5: Solve for x
    x = 25,021,157,288.40/180,832.40
  6. Step 6: Final answer
    x = 138,366.56

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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.