Home / 251,751.41-347,416.76-138,574.16

Finding the Fourth Proportional to 251,751.41, 347,416.76 and 138,574.16

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Solution

The fourth proportional to 251,751.41, 347,416.76 and 138,574.16 is: 191,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,751.41 : 347,416.76 = 138,574.16 : x
  2. Step 2: Convert to fraction form
    251,751.41/347,416.76 = 138,574.16/x
  3. Step 3: Cross multiply
    251,751.41x = 347,416.76 × 138,574.16
  4. Step 4: Simplify right side
    251,751.41x = 48,142,983,256.97
  5. Step 5: Solve for x
    x = 48,142,983,256.97/251,751.41
  6. Step 6: Final answer
    x = 191,232.23

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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.