Home / 172,318.12-237,820.26-96,865

Finding the Fourth Proportional to 172,318.12, 237,820.26 and 96,865

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Solution

The fourth proportional to 172,318.12, 237,820.26 and 96,865 is: 133,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,318.12 : 237,820.26 = 96,865 : x
  2. Step 2: Convert to fraction form
    172,318.12/237,820.26 = 96,865/x
  3. Step 3: Cross multiply
    172,318.12x = 237,820.26 × 96,865
  4. Step 4: Simplify right side
    172,318.12x = 23,036,459,484.90
  5. Step 5: Solve for x
    x = 23,036,459,484.90/172,318.12
  6. Step 6: Final answer
    x = 133,685.65

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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.