Home / 152,399.12-228,534.48-57,613.32

Finding the Fourth Proportional to 152,399.12, 228,534.48 and 57,613.32

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Solution

The fourth proportional to 152,399.12, 228,534.48 and 57,613.32 is: 86,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,399.12 : 228,534.48 = 57,613.32 : x
  2. Step 2: Convert to fraction form
    152,399.12/228,534.48 = 57,613.32/x
  3. Step 3: Cross multiply
    152,399.12x = 228,534.48 × 57,613.32
  4. Step 4: Simplify right side
    152,399.12x = 13,166,630,127.27
  5. Step 5: Solve for x
    x = 13,166,630,127.27/152,399.12
  6. Step 6: Final answer
    x = 86,395.71

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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.