Home / 180,435.20-248,990.24-99,857.93

Finding the Fourth Proportional to 180,435.20, 248,990.24 and 99,857.93

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Solution

The fourth proportional to 180,435.20, 248,990.24 and 99,857.93 is: 137,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,435.20 : 248,990.24 = 99,857.93 : x
  2. Step 2: Convert to fraction form
    180,435.20/248,990.24 = 99,857.93/x
  3. Step 3: Cross multiply
    180,435.20x = 248,990.24 × 99,857.93
  4. Step 4: Simplify right side
    180,435.20x = 24,863,648,961.30
  5. Step 5: Solve for x
    x = 24,863,648,961.30/180,435.20
  6. Step 6: Final answer
    x = 137,798.22

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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.