Home / 131,929.72-197,875.48-43,186.76

Finding the Fourth Proportional to 131,929.72, 197,875.48 and 43,186.76

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Solution

The fourth proportional to 131,929.72, 197,875.48 and 43,186.76 is: 64,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,929.72 : 197,875.48 = 43,186.76 : x
  2. Step 2: Convert to fraction form
    131,929.72/197,875.48 = 43,186.76/x
  3. Step 3: Cross multiply
    131,929.72x = 197,875.48 × 43,186.76
  4. Step 4: Simplify right side
    131,929.72x = 8,545,600,864.64
  5. Step 5: Solve for x
    x = 8,545,600,864.64/131,929.72
  6. Step 6: Final answer
    x = 64,773.89

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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.