Home / 180,686.52-249,336.96-100,109.26

Finding the Fourth Proportional to 180,686.52, 249,336.96 and 100,109.26

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Solution

The fourth proportional to 180,686.52, 249,336.96 and 100,109.26 is: 138,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,686.52 : 249,336.96 = 100,109.26 : x
  2. Step 2: Convert to fraction form
    180,686.52/249,336.96 = 100,109.26/x
  3. Step 3: Cross multiply
    180,686.52x = 249,336.96 × 100,109.26
  4. Step 4: Simplify right side
    180,686.52x = 24,960,938,556.25
  5. Step 5: Solve for x
    x = 24,960,938,556.25/180,686.52
  6. Step 6: Final answer
    x = 138,145.00

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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.