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Finding the Fourth Proportional to 117,661.00, 176,495.65 and 37,688.57

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Solution

The fourth proportional to 117,661.00, 176,495.65 and 37,688.57 is: 56,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,661.00 : 176,495.65 = 37,688.57 : x
  2. Step 2: Convert to fraction form
    117,661.00/176,495.65 = 37,688.57/x
  3. Step 3: Cross multiply
    117,661.00x = 176,495.65 × 37,688.57
  4. Step 4: Simplify right side
    117,661.00x = 6,651,868,659.72
  5. Step 5: Solve for x
    x = 6,651,868,659.72/117,661.00
  6. Step 6: Final answer
    x = 56,534.19

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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.