Home / 251,768.77-347,445.34-137,050.72

Finding the Fourth Proportional to 251,768.77, 347,445.34 and 137,050.72

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Solution

The fourth proportional to 251,768.77, 347,445.34 and 137,050.72 is: 189,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,768.77 : 347,445.34 = 137,050.72 : x
  2. Step 2: Convert to fraction form
    251,768.77/347,445.34 = 137,050.72/x
  3. Step 3: Cross multiply
    251,768.77x = 347,445.34 × 137,050.72
  4. Step 4: Simplify right side
    251,768.77x = 47,617,632,796.40
  5. Step 5: Solve for x
    x = 47,617,632,796.40/251,768.77
  6. Step 6: Final answer
    x = 189,132.41

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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.