Home / 171,948.80-257,923.20-118,804.70

Finding the Fourth Proportional to 171,948.80, 257,923.20 and 118,804.70

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Solution

The fourth proportional to 171,948.80, 257,923.20 and 118,804.70 is: 178,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,948.80 : 257,923.20 = 118,804.70 : x
  2. Step 2: Convert to fraction form
    171,948.80/257,923.20 = 118,804.70/x
  3. Step 3: Cross multiply
    171,948.80x = 257,923.20 × 118,804.70
  4. Step 4: Simplify right side
    171,948.80x = 30,642,488,399.04
  5. Step 5: Solve for x
    x = 30,642,488,399.04/171,948.80
  6. Step 6: Final answer
    x = 178,207.05

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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.