Home / 146,385.64-202,012.98-79,317.64

Finding the Fourth Proportional to 146,385.64, 202,012.98 and 79,317.64

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Solution

The fourth proportional to 146,385.64, 202,012.98 and 79,317.64 is: 109,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,385.64 : 202,012.98 = 79,317.64 : x
  2. Step 2: Convert to fraction form
    146,385.64/202,012.98 = 79,317.64/x
  3. Step 3: Cross multiply
    146,385.64x = 202,012.98 × 79,317.64
  4. Step 4: Simplify right side
    146,385.64x = 16,023,192,822.97
  5. Step 5: Solve for x
    x = 16,023,192,822.97/146,385.64
  6. Step 6: Final answer
    x = 109,458.77

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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.