Home / 259,015.32-388,592.12-92,820.12

Finding the Fourth Proportional to 259,015.32, 388,592.12 and 92,820.12

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Solution

The fourth proportional to 259,015.32, 388,592.12 and 92,820.12 is: 139,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,015.32 : 388,592.12 = 92,820.12 : x
  2. Step 2: Convert to fraction form
    259,015.32/388,592.12 = 92,820.12/x
  3. Step 3: Cross multiply
    259,015.32x = 388,592.12 × 92,820.12
  4. Step 4: Simplify right side
    259,015.32x = 36,069,167,209.45
  5. Step 5: Solve for x
    x = 36,069,167,209.45/259,015.32
  6. Step 6: Final answer
    x = 139,254.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.