Home / 254,159.40-381,390.30-96,403.80

Finding the Fourth Proportional to 254,159.40, 381,390.30 and 96,403.80

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Solution

The fourth proportional to 254,159.40, 381,390.30 and 96,403.80 is: 144,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,159.40 : 381,390.30 = 96,403.80 : x
  2. Step 2: Convert to fraction form
    254,159.40/381,390.30 = 96,403.80/x
  3. Step 3: Cross multiply
    254,159.40x = 381,390.30 × 96,403.80
  4. Step 4: Simplify right side
    254,159.40x = 36,767,474,203.14
  5. Step 5: Solve for x
    x = 36,767,474,203.14/254,159.40
  6. Step 6: Final answer
    x = 144,663.05

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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.