Home / 212,783.85-319,277.16-132,800.13

Finding the Fourth Proportional to 212,783.85, 319,277.16 and 132,800.13

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Solution

The fourth proportional to 212,783.85, 319,277.16 and 132,800.13 is: 199,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,783.85 : 319,277.16 = 132,800.13 : x
  2. Step 2: Convert to fraction form
    212,783.85/319,277.16 = 132,800.13/x
  3. Step 3: Cross multiply
    212,783.85x = 319,277.16 × 132,800.13
  4. Step 4: Simplify right side
    212,783.85x = 42,400,048,354.03
  5. Step 5: Solve for x
    x = 42,400,048,354.03/212,783.85
  6. Step 6: Final answer
    x = 199,263.47

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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.