Home / 131,090.40-196,657.92-42,333.12

Finding the Fourth Proportional to 131,090.40, 196,657.92 and 42,333.12

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Solution

The fourth proportional to 131,090.40, 196,657.92 and 42,333.12 is: 63,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,090.40 : 196,657.92 = 42,333.12 : x
  2. Step 2: Convert to fraction form
    131,090.40/196,657.92 = 42,333.12/x
  3. Step 3: Cross multiply
    131,090.40x = 196,657.92 × 42,333.12
  4. Step 4: Simplify right side
    131,090.40x = 8,325,143,326.31
  5. Step 5: Solve for x
    x = 8,325,143,326.31/131,090.40
  6. Step 6: Final answer
    x = 63,506.89

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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.