Home / 180,190.42-248,641.16-99,607.02

Finding the Fourth Proportional to 180,190.42, 248,641.16 and 99,607.02

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Solution

The fourth proportional to 180,190.42, 248,641.16 and 99,607.02 is: 137,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,190.42 : 248,641.16 = 99,607.02 : x
  2. Step 2: Convert to fraction form
    180,190.42/248,641.16 = 99,607.02/x
  3. Step 3: Cross multiply
    180,190.42x = 248,641.16 × 99,607.02
  4. Step 4: Simplify right side
    180,190.42x = 24,766,404,996.94
  5. Step 5: Solve for x
    x = 24,766,404,996.94/180,190.42
  6. Step 6: Final answer
    x = 137,445.74

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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.