Home / 139,655.08-209,515.42-46,160.82

Finding the Fourth Proportional to 139,655.08, 209,515.42 and 46,160.82

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Solution

The fourth proportional to 139,655.08, 209,515.42 and 46,160.82 is: 69,252.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,655.08 : 209,515.42 = 46,160.82 : x
  2. Step 2: Convert to fraction form
    139,655.08/209,515.42 = 46,160.82/x
  3. Step 3: Cross multiply
    139,655.08x = 209,515.42 × 46,160.82
  4. Step 4: Simplify right side
    139,655.08x = 9,671,403,589.84
  5. Step 5: Solve for x
    x = 9,671,403,589.84/139,655.08
  6. Step 6: Final answer
    x = 69,252.07

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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.