Home / 123,338.64-170,207.85-69,624.30

Finding the Fourth Proportional to 123,338.64, 170,207.85 and 69,624.30

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Solution

The fourth proportional to 123,338.64, 170,207.85 and 69,624.30 is: 96,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,338.64 : 170,207.85 = 69,624.30 : x
  2. Step 2: Convert to fraction form
    123,338.64/170,207.85 = 69,624.30/x
  3. Step 3: Cross multiply
    123,338.64x = 170,207.85 × 69,624.30
  4. Step 4: Simplify right side
    123,338.64x = 11,850,602,410.76
  5. Step 5: Solve for x
    x = 11,850,602,410.76/123,338.64
  6. Step 6: Final answer
    x = 96,081.83

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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.