Home / 123,312.36-170,171.82-69,599.64

Finding the Fourth Proportional to 123,312.36, 170,171.82 and 69,599.64

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Solution

The fourth proportional to 123,312.36, 170,171.82 and 69,599.64 is: 96,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,312.36 : 170,171.82 = 69,599.64 : x
  2. Step 2: Convert to fraction form
    123,312.36/170,171.82 = 69,599.64/x
  3. Step 3: Cross multiply
    123,312.36x = 170,171.82 × 69,599.64
  4. Step 4: Simplify right side
    123,312.36x = 11,843,897,410.14
  5. Step 5: Solve for x
    x = 11,843,897,410.14/123,312.36
  6. Step 6: Final answer
    x = 96,047.93

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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.