Home / 145,536.90-218,305.35-56,793.30

Finding the Fourth Proportional to 145,536.90, 218,305.35 and 56,793.30

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Solution

The fourth proportional to 145,536.90, 218,305.35 and 56,793.30 is: 85,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,536.90 : 218,305.35 = 56,793.30 : x
  2. Step 2: Convert to fraction form
    145,536.90/218,305.35 = 56,793.30/x
  3. Step 3: Cross multiply
    145,536.90x = 218,305.35 × 56,793.30
  4. Step 4: Simplify right side
    145,536.90x = 12,398,281,234.16
  5. Step 5: Solve for x
    x = 12,398,281,234.16/145,536.90
  6. Step 6: Final answer
    x = 85,189.95

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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.