Home / 180,725.85-249,403.14-100,154.70

Finding the Fourth Proportional to 180,725.85, 249,403.14 and 100,154.70

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Solution

The fourth proportional to 180,725.85, 249,403.14 and 100,154.70 is: 138,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,725.85 : 249,403.14 = 100,154.70 : x
  2. Step 2: Convert to fraction form
    180,725.85/249,403.14 = 100,154.70/x
  3. Step 3: Cross multiply
    180,725.85x = 249,403.14 × 100,154.70
  4. Step 4: Simplify right side
    180,725.85x = 24,978,896,665.76
  5. Step 5: Solve for x
    x = 24,978,896,665.76/180,725.85
  6. Step 6: Final answer
    x = 138,214.30

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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.