Home / 180,997.08-249,785.82-117,389.40

Finding the Fourth Proportional to 180,997.08, 249,785.82 and 117,389.40

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Solution

The fourth proportional to 180,997.08, 249,785.82 and 117,389.40 is: 162,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,997.08 : 249,785.82 = 117,389.40 : x
  2. Step 2: Convert to fraction form
    180,997.08/249,785.82 = 117,389.40/x
  3. Step 3: Cross multiply
    180,997.08x = 249,785.82 × 117,389.40
  4. Step 4: Simplify right side
    180,997.08x = 29,322,207,538.31
  5. Step 5: Solve for x
    x = 29,322,207,538.31/180,997.08
  6. Step 6: Final answer
    x = 162,003.76

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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.