Home / 125,004.86-172,507.16-67,644.18

Finding the Fourth Proportional to 125,004.86, 172,507.16 and 67,644.18

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Solution

The fourth proportional to 125,004.86, 172,507.16 and 67,644.18 is: 93,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,004.86 : 172,507.16 = 67,644.18 : x
  2. Step 2: Convert to fraction form
    125,004.86/172,507.16 = 67,644.18/x
  3. Step 3: Cross multiply
    125,004.86x = 172,507.16 × 67,644.18
  4. Step 4: Simplify right side
    125,004.86x = 11,669,105,382.33
  5. Step 5: Solve for x
    x = 11,669,105,382.33/125,004.86
  6. Step 6: Final answer
    x = 93,349.21

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1.5x scale

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.