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Finding the Fourth Proportional to 116,655.72, 175,011.48 and 37,770

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Solution

The fourth proportional to 116,655.72, 175,011.48 and 37,770 is: 56,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,655.72 : 175,011.48 = 37,770 : x
  2. Step 2: Convert to fraction form
    116,655.72/175,011.48 = 37,770/x
  3. Step 3: Cross multiply
    116,655.72x = 175,011.48 × 37,770
  4. Step 4: Simplify right side
    116,655.72x = 6,610,183,599.60
  5. Step 5: Solve for x
    x = 6,610,183,599.60/116,655.72
  6. Step 6: Final answer
    x = 56,664.03

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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.