Home / 123,709.41-185,473.32-39,421.08

Finding the Fourth Proportional to 123,709.41, 185,473.32 and 39,421.08

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Solution

The fourth proportional to 123,709.41, 185,473.32 and 39,421.08 is: 59,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,709.41 : 185,473.32 = 39,421.08 : x
  2. Step 2: Convert to fraction form
    123,709.41/185,473.32 = 39,421.08/x
  3. Step 3: Cross multiply
    123,709.41x = 185,473.32 × 39,421.08
  4. Step 4: Simplify right side
    123,709.41x = 7,311,558,585.59
  5. Step 5: Solve for x
    x = 7,311,558,585.59/123,709.41
  6. Step 6: Final answer
    x = 59,102.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.