Home / 251,944.54-347,683.81-137,223.63

Finding the Fourth Proportional to 251,944.54, 347,683.81 and 137,223.63

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Solution

The fourth proportional to 251,944.54, 347,683.81 and 137,223.63 is: 189,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,944.54 : 347,683.81 = 137,223.63 : x
  2. Step 2: Convert to fraction form
    251,944.54/347,683.81 = 137,223.63/x
  3. Step 3: Cross multiply
    251,944.54x = 347,683.81 × 137,223.63
  4. Step 4: Simplify right side
    251,944.54x = 47,710,432,762.01
  5. Step 5: Solve for x
    x = 47,710,432,762.01/251,944.54
  6. Step 6: Final answer
    x = 189,368.79

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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.