Home / 172,899.27-238,510.29-140,669.89

Finding the Fourth Proportional to 172,899.27, 238,510.29 and 140,669.89

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Solution

The fourth proportional to 172,899.27, 238,510.29 and 140,669.89 is: 194,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,899.27 : 238,510.29 = 140,669.89 : x
  2. Step 2: Convert to fraction form
    172,899.27/238,510.29 = 140,669.89/x
  3. Step 3: Cross multiply
    172,899.27x = 238,510.29 × 140,669.89
  4. Step 4: Simplify right side
    172,899.27x = 33,551,216,365.67
  5. Step 5: Solve for x
    x = 33,551,216,365.67/172,899.27
  6. Step 6: Final answer
    x = 194,050.66

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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.