Home / 109,175.60-150,665.27-61,430.64

Finding the Fourth Proportional to 109,175.60, 150,665.27 and 61,430.64

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Solution

The fourth proportional to 109,175.60, 150,665.27 and 61,430.64 is: 84,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,175.60 : 150,665.27 = 61,430.64 : x
  2. Step 2: Convert to fraction form
    109,175.60/150,665.27 = 61,430.64/x
  3. Step 3: Cross multiply
    109,175.60x = 150,665.27 × 61,430.64
  4. Step 4: Simplify right side
    109,175.60x = 9,255,463,654.72
  5. Step 5: Solve for x
    x = 9,255,463,654.72/109,175.60
  6. Step 6: Final answer
    x = 84,775.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.