Home / 251,709.04-347,364.96-136,995.20

Finding the Fourth Proportional to 251,709.04, 347,364.96 and 136,995.20

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Solution

The fourth proportional to 251,709.04, 347,364.96 and 136,995.20 is: 189,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,709.04 : 347,364.96 = 136,995.20 : x
  2. Step 2: Convert to fraction form
    251,709.04/347,364.96 = 136,995.20/x
  3. Step 3: Cross multiply
    251,709.04x = 347,364.96 × 136,995.20
  4. Step 4: Simplify right side
    251,709.04x = 47,587,332,168.19
  5. Step 5: Solve for x
    x = 47,587,332,168.19/251,709.04
  6. Step 6: Final answer
    x = 189,056.91

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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.