Home / 180,979.89-249,752.43-105,542.97

Finding the Fourth Proportional to 180,979.89, 249,752.43 and 105,542.97

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Solution

The fourth proportional to 180,979.89, 249,752.43 and 105,542.97 is: 145,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,979.89 : 249,752.43 = 105,542.97 : x
  2. Step 2: Convert to fraction form
    180,979.89/249,752.43 = 105,542.97/x
  3. Step 3: Cross multiply
    180,979.89x = 249,752.43 × 105,542.97
  4. Step 4: Simplify right side
    180,979.89x = 26,359,613,226.92
  5. Step 5: Solve for x
    x = 26,359,613,226.92/180,979.89
  6. Step 6: Final answer
    x = 145,649.40

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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.