Home / 146,399.36-202,031.22-79,331.36

Finding the Fourth Proportional to 146,399.36, 202,031.22 and 79,331.36

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Solution

The fourth proportional to 146,399.36, 202,031.22 and 79,331.36 is: 109,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,399.36 : 202,031.22 = 79,331.36 : x
  2. Step 2: Convert to fraction form
    146,399.36/202,031.22 = 79,331.36/x
  3. Step 3: Cross multiply
    146,399.36x = 202,031.22 × 79,331.36
  4. Step 4: Simplify right side
    146,399.36x = 16,027,411,445.06
  5. Step 5: Solve for x
    x = 16,027,411,445.06/146,399.36
  6. Step 6: Final answer
    x = 109,477.33

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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.