Home / 180,810.20-249,722.33-123,350.87

Finding the Fourth Proportional to 180,810.20, 249,722.33 and 123,350.87

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Solution

The fourth proportional to 180,810.20, 249,722.33 and 123,350.87 is: 170,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,810.20 : 249,722.33 = 123,350.87 : x
  2. Step 2: Convert to fraction form
    180,810.20/249,722.33 = 123,350.87/x
  3. Step 3: Cross multiply
    180,810.20x = 249,722.33 × 123,350.87
  4. Step 4: Simplify right side
    180,810.20x = 30,803,464,798.56
  5. Step 5: Solve for x
    x = 30,803,464,798.56/180,810.20
  6. Step 6: Final answer
    x = 170,363.54

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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.