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Finding the Fourth Proportional to 117,780.03, 176,695.56 and 37,799.42

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Solution

The fourth proportional to 117,780.03, 176,695.56 and 37,799.42 is: 56,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,780.03 : 176,695.56 = 37,799.42 : x
  2. Step 2: Convert to fraction form
    117,780.03/176,695.56 = 37,799.42/x
  3. Step 3: Cross multiply
    117,780.03x = 176,695.56 × 37,799.42
  4. Step 4: Simplify right side
    117,780.03x = 6,678,988,801.10
  5. Step 5: Solve for x
    x = 6,678,988,801.10/117,780.03
  6. Step 6: Final answer
    x = 56,707.31

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1.5x scale

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.