Home / 140,984.64-194,563.08-77,326.74

Finding the Fourth Proportional to 140,984.64, 194,563.08 and 77,326.74

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Solution

The fourth proportional to 140,984.64, 194,563.08 and 77,326.74 is: 106,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,984.64 : 194,563.08 = 77,326.74 : x
  2. Step 2: Convert to fraction form
    140,984.64/194,563.08 = 77,326.74/x
  3. Step 3: Cross multiply
    140,984.64x = 194,563.08 × 77,326.74
  4. Step 4: Simplify right side
    140,984.64x = 15,044,928,700.76
  5. Step 5: Solve for x
    x = 15,044,928,700.76/140,984.64
  6. Step 6: Final answer
    x = 106,713.25

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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.