Home / 168,145.30-252,155.06-55,804.57

Finding the Fourth Proportional to 168,145.30, 252,155.06 and 55,804.57

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Solution

The fourth proportional to 168,145.30, 252,155.06 and 55,804.57 is: 83,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,145.30 : 252,155.06 = 55,804.57 : x
  2. Step 2: Convert to fraction form
    168,145.30/252,155.06 = 55,804.57/x
  3. Step 3: Cross multiply
    168,145.30x = 252,155.06 × 55,804.57
  4. Step 4: Simplify right side
    168,145.30x = 14,071,403,156.83
  5. Step 5: Solve for x
    x = 14,071,403,156.83/168,145.30
  6. Step 6: Final answer
    x = 83,685.98

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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.