Home / 251,683.23-347,322.73-138,505.98

Finding the Fourth Proportional to 251,683.23, 347,322.73 and 138,505.98

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Solution

The fourth proportional to 251,683.23, 347,322.73 and 138,505.98 is: 191,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,683.23 : 347,322.73 = 138,505.98 : x
  2. Step 2: Convert to fraction form
    251,683.23/347,322.73 = 138,505.98/x
  3. Step 3: Cross multiply
    251,683.23x = 347,322.73 × 138,505.98
  4. Step 4: Simplify right side
    251,683.23x = 48,106,275,094.93
  5. Step 5: Solve for x
    x = 48,106,275,094.93/251,683.23
  6. Step 6: Final answer
    x = 191,138.18

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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.