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Finding the Fourth Proportional to 179,878.98, 248,226.48 and 99,304.78

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Solution

The fourth proportional to 179,878.98, 248,226.48 and 99,304.78 is: 137,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,878.98 : 248,226.48 = 99,304.78 : x
  2. Step 2: Convert to fraction form
    179,878.98/248,226.48 = 99,304.78/x
  3. Step 3: Cross multiply
    179,878.98x = 248,226.48 × 99,304.78
  4. Step 4: Simplify right side
    179,878.98x = 24,650,075,986.57
  5. Step 5: Solve for x
    x = 24,650,075,986.57/179,878.98
  6. Step 6: Final answer
    x = 137,037.00

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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.