Home / 131,442.20-196,904.10-75,973.40

Finding the Fourth Proportional to 131,442.20, 196,904.10 and 75,973.40

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Solution

The fourth proportional to 131,442.20, 196,904.10 and 75,973.40 is: 113,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,442.20 : 196,904.10 = 75,973.40 : x
  2. Step 2: Convert to fraction form
    131,442.20/196,904.10 = 75,973.40/x
  3. Step 3: Cross multiply
    131,442.20x = 196,904.10 × 75,973.40
  4. Step 4: Simplify right side
    131,442.20x = 14,959,473,950.94
  5. Step 5: Solve for x
    x = 14,959,473,950.94/131,442.20
  6. Step 6: Final answer
    x = 113,810.28

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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.