Home / 136,287.48-204,442.74-42,793.32

Finding the Fourth Proportional to 136,287.48, 204,442.74 and 42,793.32

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Solution

The fourth proportional to 136,287.48, 204,442.74 and 42,793.32 is: 64,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,287.48 : 204,442.74 = 42,793.32 : x
  2. Step 2: Convert to fraction form
    136,287.48/204,442.74 = 42,793.32/x
  3. Step 3: Cross multiply
    136,287.48x = 204,442.74 × 42,793.32
  4. Step 4: Simplify right side
    136,287.48x = 8,748,783,594.50
  5. Step 5: Solve for x
    x = 8,748,783,594.50/136,287.48
  6. Step 6: Final answer
    x = 64,193.60

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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.