Home / 145,567.38-218,221.21-56,800.24

Finding the Fourth Proportional to 145,567.38, 218,221.21 and 56,800.24

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Solution

The fourth proportional to 145,567.38, 218,221.21 and 56,800.24 is: 85,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,567.38 : 218,221.21 = 56,800.24 : x
  2. Step 2: Convert to fraction form
    145,567.38/218,221.21 = 56,800.24/x
  3. Step 3: Cross multiply
    145,567.38x = 218,221.21 × 56,800.24
  4. Step 4: Simplify right side
    145,567.38x = 12,395,016,786.29
  5. Step 5: Solve for x
    x = 12,395,016,786.29/145,567.38
  6. Step 6: Final answer
    x = 85,149.69

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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.