Home / 131,746.02-197,815.86-129,777.72

Finding the Fourth Proportional to 131,746.02, 197,815.86 and 129,777.72

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Solution

The fourth proportional to 131,746.02, 197,815.86 and 129,777.72 is: 194,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,746.02 : 197,815.86 = 129,777.72 : x
  2. Step 2: Convert to fraction form
    131,746.02/197,815.86 = 129,777.72/x
  3. Step 3: Cross multiply
    131,746.02x = 197,815.86 × 129,777.72
  4. Step 4: Simplify right side
    131,746.02x = 25,672,091,290.64
  5. Step 5: Solve for x
    x = 25,672,091,290.64/131,746.02
  6. Step 6: Final answer
    x = 194,860.47

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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.