Home / 168,711.55-232,671.05-139,985.65

Finding the Fourth Proportional to 168,711.55, 232,671.05 and 139,985.65

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Solution

The fourth proportional to 168,711.55, 232,671.05 and 139,985.65 is: 193,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,711.55 : 232,671.05 = 139,985.65 : x
  2. Step 2: Convert to fraction form
    168,711.55/232,671.05 = 139,985.65/x
  3. Step 3: Cross multiply
    168,711.55x = 232,671.05 × 139,985.65
  4. Step 4: Simplify right side
    168,711.55x = 32,570,608,170.43
  5. Step 5: Solve for x
    x = 32,570,608,170.43/168,711.55
  6. Step 6: Final answer
    x = 193,055.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.