Home / 133,184.30-199,775.08-76,988.66

Finding the Fourth Proportional to 133,184.30, 199,775.08 and 76,988.66

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Solution

The fourth proportional to 133,184.30, 199,775.08 and 76,988.66 is: 115,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,184.30 : 199,775.08 = 76,988.66 : x
  2. Step 2: Convert to fraction form
    133,184.30/199,775.08 = 76,988.66/x
  3. Step 3: Cross multiply
    133,184.30x = 199,775.08 × 76,988.66
  4. Step 4: Simplify right side
    133,184.30x = 15,380,415,710.59
  5. Step 5: Solve for x
    x = 15,380,415,710.59/133,184.30
  6. Step 6: Final answer
    x = 115,482.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.