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Finding the Fourth Proportional to 117,967.30, 176,950.95 and 113,301.70

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Solution

The fourth proportional to 117,967.30, 176,950.95 and 113,301.70 is: 169,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,967.30 : 176,950.95 = 113,301.70 : x
  2. Step 2: Convert to fraction form
    117,967.30/176,950.95 = 113,301.70/x
  3. Step 3: Cross multiply
    117,967.30x = 176,950.95 × 113,301.70
  4. Step 4: Simplify right side
    117,967.30x = 20,048,843,451.62
  5. Step 5: Solve for x
    x = 20,048,843,451.62/117,967.30
  6. Step 6: Final answer
    x = 169,952.55

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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.