Home / 172,961.68-238,756.08-148,666.72

Finding the Fourth Proportional to 172,961.68, 238,756.08 and 148,666.72

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Solution

The fourth proportional to 172,961.68, 238,756.08 and 148,666.72 is: 205,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,961.68 : 238,756.08 = 148,666.72 : x
  2. Step 2: Convert to fraction form
    172,961.68/238,756.08 = 148,666.72/x
  3. Step 3: Cross multiply
    172,961.68x = 238,756.08 × 148,666.72
  4. Step 4: Simplify right side
    172,961.68x = 35,495,083,293.66
  5. Step 5: Solve for x
    x = 35,495,083,293.66/172,961.68
  6. Step 6: Final answer
    x = 205,219.35

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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.