Home / 172,207.50-237,675.51-127,119.66

Finding the Fourth Proportional to 172,207.50, 237,675.51 and 127,119.66

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Solution

The fourth proportional to 172,207.50, 237,675.51 and 127,119.66 is: 175,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,207.50 : 237,675.51 = 127,119.66 : x
  2. Step 2: Convert to fraction form
    172,207.50/237,675.51 = 127,119.66/x
  3. Step 3: Cross multiply
    172,207.50x = 237,675.51 × 127,119.66
  4. Step 4: Simplify right side
    172,207.50x = 30,213,230,021.53
  5. Step 5: Solve for x
    x = 30,213,230,021.53/172,207.50
  6. Step 6: Final answer
    x = 175,446.66

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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.