Home / 251,701.36-347,354.76-138,531.04

Finding the Fourth Proportional to 251,701.36, 347,354.76 and 138,531.04

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Solution

The fourth proportional to 251,701.36, 347,354.76 and 138,531.04 is: 191,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,701.36 : 347,354.76 = 138,531.04 : x
  2. Step 2: Convert to fraction form
    251,701.36/347,354.76 = 138,531.04/x
  3. Step 3: Cross multiply
    251,701.36x = 347,354.76 × 138,531.04
  4. Step 4: Simplify right side
    251,701.36x = 48,119,416,151.75
  5. Step 5: Solve for x
    x = 48,119,416,151.75/251,701.36
  6. Step 6: Final answer
    x = 191,176.62

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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.