Home / 251,532.24-347,123.72-138,363.60

Finding the Fourth Proportional to 251,532.24, 347,123.72 and 138,363.60

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Solution

The fourth proportional to 251,532.24, 347,123.72 and 138,363.60 is: 190,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,532.24 : 347,123.72 = 138,363.60 : x
  2. Step 2: Convert to fraction form
    251,532.24/347,123.72 = 138,363.60/x
  3. Step 3: Cross multiply
    251,532.24x = 347,123.72 × 138,363.60
  4. Step 4: Simplify right side
    251,532.24x = 48,029,287,544.59
  5. Step 5: Solve for x
    x = 48,029,287,544.59/251,532.24
  6. Step 6: Final answer
    x = 190,946.84

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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.