Home / 180,908.04-249,623.19-100,322.76

Finding the Fourth Proportional to 180,908.04, 249,623.19 and 100,322.76

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Solution

The fourth proportional to 180,908.04, 249,623.19 and 100,322.76 is: 138,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,908.04 : 249,623.19 = 100,322.76 : x
  2. Step 2: Convert to fraction form
    180,908.04/249,623.19 = 100,322.76/x
  3. Step 3: Cross multiply
    180,908.04x = 249,623.19 × 100,322.76
  4. Step 4: Simplify right side
    180,908.04x = 25,042,887,380.80
  5. Step 5: Solve for x
    x = 25,042,887,380.80/180,908.04
  6. Step 6: Final answer
    x = 138,428.82

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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.