Home / 251,828.04-347,543.82-138,672.12

Finding the Fourth Proportional to 251,828.04, 347,543.82 and 138,672.12

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Solution

The fourth proportional to 251,828.04, 347,543.82 and 138,672.12 is: 191,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,828.04 : 347,543.82 = 138,672.12 : x
  2. Step 2: Convert to fraction form
    251,828.04/347,543.82 = 138,672.12/x
  3. Step 3: Cross multiply
    251,828.04x = 347,543.82 × 138,672.12
  4. Step 4: Simplify right side
    251,828.04x = 48,194,638,312.30
  5. Step 5: Solve for x
    x = 48,194,638,312.30/251,828.04
  6. Step 6: Final answer
    x = 191,379.16

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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.