Home / 180,742.55-249,424.72-100,182.18

Finding the Fourth Proportional to 180,742.55, 249,424.72 and 100,182.18

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Solution

The fourth proportional to 180,742.55, 249,424.72 and 100,182.18 is: 138,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,742.55 : 249,424.72 = 100,182.18 : x
  2. Step 2: Convert to fraction form
    180,742.55/249,424.72 = 100,182.18/x
  3. Step 3: Cross multiply
    180,742.55x = 249,424.72 × 100,182.18
  4. Step 4: Simplify right side
    180,742.55x = 24,987,911,945.03
  5. Step 5: Solve for x
    x = 24,987,911,945.03/180,742.55
  6. Step 6: Final answer
    x = 138,251.41

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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.