Home / 131,477.64-197,091.63-42,669.03

Finding the Fourth Proportional to 131,477.64, 197,091.63 and 42,669.03

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Solution

The fourth proportional to 131,477.64, 197,091.63 and 42,669.03 is: 63,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,477.64 : 197,091.63 = 42,669.03 : x
  2. Step 2: Convert to fraction form
    131,477.64/197,091.63 = 42,669.03/x
  3. Step 3: Cross multiply
    131,477.64x = 197,091.63 × 42,669.03
  4. Step 4: Simplify right side
    131,477.64x = 8,409,708,673.22
  5. Step 5: Solve for x
    x = 8,409,708,673.22/131,477.64
  6. Step 6: Final answer
    x = 63,963.03

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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.