Home / 251,869.53-347,588.43-137,152.61

Finding the Fourth Proportional to 251,869.53, 347,588.43 and 137,152.61

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Solution

The fourth proportional to 251,869.53, 347,588.43 and 137,152.61 is: 189,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,869.53 : 347,588.43 = 137,152.61 : x
  2. Step 2: Convert to fraction form
    251,869.53/347,588.43 = 137,152.61/x
  3. Step 3: Cross multiply
    251,869.53x = 347,588.43 × 137,152.61
  4. Step 4: Simplify right side
    251,869.53x = 47,672,658,642.36
  5. Step 5: Solve for x
    x = 47,672,658,642.36/251,869.53
  6. Step 6: Final answer
    x = 189,275.21

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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.