Home / 131,382.45-197,101.35-42,629.01

Finding the Fourth Proportional to 131,382.45, 197,101.35 and 42,629.01

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Solution

The fourth proportional to 131,382.45, 197,101.35 and 42,629.01 is: 63,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,382.45 : 197,101.35 = 42,629.01 : x
  2. Step 2: Convert to fraction form
    131,382.45/197,101.35 = 42,629.01/x
  3. Step 3: Cross multiply
    131,382.45x = 197,101.35 × 42,629.01
  4. Step 4: Simplify right side
    131,382.45x = 8,402,235,420.16
  5. Step 5: Solve for x
    x = 8,402,235,420.16/131,382.45
  6. Step 6: Final answer
    x = 63,952.49

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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.