Home / 146,019.08-219,120.75-57,270.21

Finding the Fourth Proportional to 146,019.08, 219,120.75 and 57,270.21

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Solution

The fourth proportional to 146,019.08, 219,120.75 and 57,270.21 is: 85,941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,019.08 : 219,120.75 = 57,270.21 : x
  2. Step 2: Convert to fraction form
    146,019.08/219,120.75 = 57,270.21/x
  3. Step 3: Cross multiply
    146,019.08x = 219,120.75 × 57,270.21
  4. Step 4: Simplify right side
    146,019.08x = 12,549,091,367.86
  5. Step 5: Solve for x
    x = 12,549,091,367.86/146,019.08
  6. Step 6: Final answer
    x = 85,941.45

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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.