Home / 180,752.29-249,434.30-100,179.09

Finding the Fourth Proportional to 180,752.29, 249,434.30 and 100,179.09

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Solution

The fourth proportional to 180,752.29, 249,434.30 and 100,179.09 is: 138,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,752.29 : 249,434.30 = 100,179.09 : x
  2. Step 2: Convert to fraction form
    180,752.29/249,434.30 = 100,179.09/x
  3. Step 3: Cross multiply
    180,752.29x = 249,434.30 × 100,179.09
  4. Step 4: Simplify right side
    180,752.29x = 24,988,101,439.23
  5. Step 5: Solve for x
    x = 24,988,101,439.23/180,752.29
  6. Step 6: Final answer
    x = 138,245.01

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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.