Home / 153,739.72-230,712.18-53,899.84

Finding the Fourth Proportional to 153,739.72, 230,712.18 and 53,899.84

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Solution

The fourth proportional to 153,739.72, 230,712.18 and 53,899.84 is: 80,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,739.72 : 230,712.18 = 53,899.84 : x
  2. Step 2: Convert to fraction form
    153,739.72/230,712.18 = 53,899.84/x
  3. Step 3: Cross multiply
    153,739.72x = 230,712.18 × 53,899.84
  4. Step 4: Simplify right side
    153,739.72x = 12,435,349,588.05
  5. Step 5: Solve for x
    x = 12,435,349,588.05/153,739.72
  6. Step 6: Final answer
    x = 80,885.73

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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.