Home / 180,898.43-249,638.51-99,228.56

Finding the Fourth Proportional to 180,898.43, 249,638.51 and 99,228.56

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Solution

The fourth proportional to 180,898.43, 249,638.51 and 99,228.56 is: 136,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,898.43 : 249,638.51 = 99,228.56 : x
  2. Step 2: Convert to fraction form
    180,898.43/249,638.51 = 99,228.56/x
  3. Step 3: Cross multiply
    180,898.43x = 249,638.51 × 99,228.56
  4. Step 4: Simplify right side
    180,898.43x = 24,771,269,371.70
  5. Step 5: Solve for x
    x = 24,771,269,371.70/180,898.43
  6. Step 6: Final answer
    x = 136,934.68

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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.