Home / 180,278.79-248,783.46-99,703.34

Finding the Fourth Proportional to 180,278.79, 248,783.46 and 99,703.34

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Solution

The fourth proportional to 180,278.79, 248,783.46 and 99,703.34 is: 137,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,278.79 : 248,783.46 = 99,703.34 : x
  2. Step 2: Convert to fraction form
    180,278.79/248,783.46 = 99,703.34/x
  3. Step 3: Cross multiply
    180,278.79x = 248,783.46 × 99,703.34
  4. Step 4: Simplify right side
    180,278.79x = 24,804,540,654.84
  5. Step 5: Solve for x
    x = 24,804,540,654.84/180,278.79
  6. Step 6: Final answer
    x = 137,589.90

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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.