Home / 242,023.40-363,207.90-136,730.60

Finding the Fourth Proportional to 242,023.40, 363,207.90 and 136,730.60

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Solution

The fourth proportional to 242,023.40, 363,207.90 and 136,730.60 is: 205,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,023.40 : 363,207.90 = 136,730.60 : x
  2. Step 2: Convert to fraction form
    242,023.40/363,207.90 = 136,730.60/x
  3. Step 3: Cross multiply
    242,023.40x = 363,207.90 × 136,730.60
  4. Step 4: Simplify right side
    242,023.40x = 49,661,634,091.74
  5. Step 5: Solve for x
    x = 49,661,634,091.74/242,023.40
  6. Step 6: Final answer
    x = 205,193.52

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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.