Home / 123,213.64-170,031.36-69,498.16

Finding the Fourth Proportional to 123,213.64, 170,031.36 and 69,498.16

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Solution

The fourth proportional to 123,213.64, 170,031.36 and 69,498.16 is: 95,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,213.64 : 170,031.36 = 69,498.16 : x
  2. Step 2: Convert to fraction form
    123,213.64/170,031.36 = 69,498.16/x
  3. Step 3: Cross multiply
    123,213.64x = 170,031.36 × 69,498.16
  4. Step 4: Simplify right side
    123,213.64x = 11,816,866,662.30
  5. Step 5: Solve for x
    x = 11,816,866,662.30/123,213.64
  6. Step 6: Final answer
    x = 95,905.51

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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.