Home / 180,727.48-249,405.38-100,156.33

Finding the Fourth Proportional to 180,727.48, 249,405.38 and 100,156.33

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Solution

The fourth proportional to 180,727.48, 249,405.38 and 100,156.33 is: 138,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,727.48 : 249,405.38 = 100,156.33 : x
  2. Step 2: Convert to fraction form
    180,727.48/249,405.38 = 100,156.33/x
  3. Step 3: Cross multiply
    180,727.48x = 249,405.38 × 100,156.33
  4. Step 4: Simplify right side
    180,727.48x = 24,979,527,543.06
  5. Step 5: Solve for x
    x = 24,979,527,543.06/180,727.48
  6. Step 6: Final answer
    x = 138,216.54

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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.