Home / 117,420.14-176,159.01-55,017.74

Finding the Fourth Proportional to 117,420.14, 176,159.01 and 55,017.74

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Solution

The fourth proportional to 117,420.14, 176,159.01 and 55,017.74 is: 82,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,420.14 : 176,159.01 = 55,017.74 : x
  2. Step 2: Convert to fraction form
    117,420.14/176,159.01 = 55,017.74/x
  3. Step 3: Cross multiply
    117,420.14x = 176,159.01 × 55,017.74
  4. Step 4: Simplify right side
    117,420.14x = 9,691,870,610.84
  5. Step 5: Solve for x
    x = 9,691,870,610.84/117,420.14
  6. Step 6: Final answer
    x = 82,540.10

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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.