Home / 145,370.08-218,059.22-40,189.04

Finding the Fourth Proportional to 145,370.08, 218,059.22 and 40,189.04

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Solution

The fourth proportional to 145,370.08, 218,059.22 and 40,189.04 is: 60,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,370.08 : 218,059.22 = 40,189.04 : x
  2. Step 2: Convert to fraction form
    145,370.08/218,059.22 = 40,189.04/x
  3. Step 3: Cross multiply
    145,370.08x = 218,059.22 × 40,189.04
  4. Step 4: Simplify right side
    145,370.08x = 8,763,590,714.95
  5. Step 5: Solve for x
    x = 8,763,590,714.95/145,370.08
  6. Step 6: Final answer
    x = 60,284.69

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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.