Home / 180,953.22-249,844.86-120,666

Finding the Fourth Proportional to 180,953.22, 249,844.86 and 120,666

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Solution

The fourth proportional to 180,953.22, 249,844.86 and 120,666 is: 166,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,953.22 : 249,844.86 = 120,666 : x
  2. Step 2: Convert to fraction form
    180,953.22/249,844.86 = 120,666/x
  3. Step 3: Cross multiply
    180,953.22x = 249,844.86 × 120,666
  4. Step 4: Simplify right side
    180,953.22x = 30,147,779,876.76
  5. Step 5: Solve for x
    x = 30,147,779,876.76/180,953.22
  6. Step 6: Final answer
    x = 166,605.38

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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.