Home / 180,729.92-249,416.88-100,166.24

Finding the Fourth Proportional to 180,729.92, 249,416.88 and 100,166.24

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Solution

The fourth proportional to 180,729.92, 249,416.88 and 100,166.24 is: 138,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,729.92 : 249,416.88 = 100,166.24 : x
  2. Step 2: Convert to fraction form
    180,729.92/249,416.88 = 100,166.24/x
  3. Step 3: Cross multiply
    180,729.92x = 249,416.88 × 100,166.24
  4. Step 4: Simplify right side
    180,729.92x = 24,983,151,062.13
  5. Step 5: Solve for x
    x = 24,983,151,062.13/180,729.92
  6. Step 6: Final answer
    x = 138,234.73

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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.