Home / 169,739.20-254,390.10-122,937.40

Finding the Fourth Proportional to 169,739.20, 254,390.10 and 122,937.40

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Solution

The fourth proportional to 169,739.20, 254,390.10 and 122,937.40 is: 184,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,739.20 : 254,390.10 = 122,937.40 : x
  2. Step 2: Convert to fraction form
    169,739.20/254,390.10 = 122,937.40/x
  3. Step 3: Cross multiply
    169,739.20x = 254,390.10 × 122,937.40
  4. Step 4: Simplify right side
    169,739.20x = 31,274,057,479.74
  5. Step 5: Solve for x
    x = 31,274,057,479.74/169,739.20
  6. Step 6: Final answer
    x = 184,247.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.