Home / 254,590.40-381,367.20-130,001.60

Finding the Fourth Proportional to 254,590.40, 381,367.20 and 130,001.60

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Solution

The fourth proportional to 254,590.40, 381,367.20 and 130,001.60 is: 194,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,590.40 : 381,367.20 = 130,001.60 : x
  2. Step 2: Convert to fraction form
    254,590.40/381,367.20 = 130,001.60/x
  3. Step 3: Cross multiply
    254,590.40x = 381,367.20 × 130,001.60
  4. Step 4: Simplify right side
    254,590.40x = 49,578,346,187.52
  5. Step 5: Solve for x
    x = 49,578,346,187.52/254,590.40
  6. Step 6: Final answer
    x = 194,737.69

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1.5x scale

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.