Home / 181,083.72-249,890.76-100,511.04

Finding the Fourth Proportional to 181,083.72, 249,890.76 and 100,511.04

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Solution

The fourth proportional to 181,083.72, 249,890.76 and 100,511.04 is: 138,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,083.72 : 249,890.76 = 100,511.04 : x
  2. Step 2: Convert to fraction form
    181,083.72/249,890.76 = 100,511.04/x
  3. Step 3: Cross multiply
    181,083.72x = 249,890.76 × 100,511.04
  4. Step 4: Simplify right side
    181,083.72x = 25,116,780,173.99
  5. Step 5: Solve for x
    x = 25,116,780,173.99/181,083.72
  6. Step 6: Final answer
    x = 138,702.59

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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.