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Finding the Fourth Proportional to 117,656.44, 176,484.54 and 47,535.72

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Solution

The fourth proportional to 117,656.44, 176,484.54 and 47,535.72 is: 71,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,656.44 : 176,484.54 = 47,535.72 : x
  2. Step 2: Convert to fraction form
    117,656.44/176,484.54 = 47,535.72/x
  3. Step 3: Cross multiply
    117,656.44x = 176,484.54 × 47,535.72
  4. Step 4: Simplify right side
    117,656.44x = 8,389,319,677.77
  5. Step 5: Solve for x
    x = 8,389,319,677.77/117,656.44
  6. Step 6: Final answer
    x = 71,303.53

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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.