Home / 228,001.20-342,001.80-109,611.60

Finding the Fourth Proportional to 228,001.20, 342,001.80 and 109,611.60

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Solution

The fourth proportional to 228,001.20, 342,001.80 and 109,611.60 is: 164,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,001.20 : 342,001.80 = 109,611.60 : x
  2. Step 2: Convert to fraction form
    228,001.20/342,001.80 = 109,611.60/x
  3. Step 3: Cross multiply
    228,001.20x = 342,001.80 × 109,611.60
  4. Step 4: Simplify right side
    228,001.20x = 37,487,364,500.88
  5. Step 5: Solve for x
    x = 37,487,364,500.88/228,001.20
  6. Step 6: Final answer
    x = 164,417.40

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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.