Home / 252,152.76-347,965.83-138,975.51

Finding the Fourth Proportional to 252,152.76, 347,965.83 and 138,975.51

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Solution

The fourth proportional to 252,152.76, 347,965.83 and 138,975.51 is: 191,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,152.76 : 347,965.83 = 138,975.51 : x
  2. Step 2: Convert to fraction form
    252,152.76/347,965.83 = 138,975.51/x
  3. Step 3: Cross multiply
    252,152.76x = 347,965.83 × 138,975.51
  4. Step 4: Simplify right side
    252,152.76x = 48,358,728,686.82
  5. Step 5: Solve for x
    x = 48,358,728,686.82/252,152.76
  6. Step 6: Final answer
    x = 191,783.46

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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.