Home / 172,869.68-238,017.29-146,977.31

Finding the Fourth Proportional to 172,869.68, 238,017.29 and 146,977.31

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Solution

The fourth proportional to 172,869.68, 238,017.29 and 146,977.31 is: 202,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,869.68 : 238,017.29 = 146,977.31 : x
  2. Step 2: Convert to fraction form
    172,869.68/238,017.29 = 146,977.31/x
  3. Step 3: Cross multiply
    172,869.68x = 238,017.29 × 146,977.31
  4. Step 4: Simplify right side
    172,869.68x = 34,983,140,877.85
  5. Step 5: Solve for x
    x = 34,983,140,877.85/172,869.68
  6. Step 6: Final answer
    x = 202,367.13

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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.