Home / 181,085.72-249,893.52-100,513.04

Finding the Fourth Proportional to 181,085.72, 249,893.52 and 100,513.04

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Solution

The fourth proportional to 181,085.72, 249,893.52 and 100,513.04 is: 138,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,085.72 : 249,893.52 = 100,513.04 : x
  2. Step 2: Convert to fraction form
    181,085.72/249,893.52 = 100,513.04/x
  3. Step 3: Cross multiply
    181,085.72x = 249,893.52 × 100,513.04
  4. Step 4: Simplify right side
    181,085.72x = 25,117,557,371.50
  5. Step 5: Solve for x
    x = 25,117,557,371.50/181,085.72
  6. Step 6: Final answer
    x = 138,705.35

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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.