Home / 372,458.13-558,774.67-123,140.13

Finding the Fourth Proportional to 372,458.13, 558,774.67 and 123,140.13

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Solution

The fourth proportional to 372,458.13, 558,774.67 and 123,140.13 is: 184,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,458.13 : 558,774.67 = 123,140.13 : x
  2. Step 2: Convert to fraction form
    372,458.13/558,774.67 = 123,140.13/x
  3. Step 3: Cross multiply
    372,458.13x = 558,774.67 × 123,140.13
  4. Step 4: Simplify right side
    372,458.13x = 68,807,585,504.51
  5. Step 5: Solve for x
    x = 68,807,585,504.51/372,458.13
  6. Step 6: Final answer
    x = 184,739.12

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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.