Home / 218,904.48-302,085.90-123,442.02

Finding the Fourth Proportional to 218,904.48, 302,085.90 and 123,442.02

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Solution

The fourth proportional to 218,904.48, 302,085.90 and 123,442.02 is: 170,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,904.48 : 302,085.90 = 123,442.02 : x
  2. Step 2: Convert to fraction form
    218,904.48/302,085.90 = 123,442.02/x
  3. Step 3: Cross multiply
    218,904.48x = 302,085.90 × 123,442.02
  4. Step 4: Simplify right side
    218,904.48x = 37,290,093,709.52
  5. Step 5: Solve for x
    x = 37,290,093,709.52/218,904.48
  6. Step 6: Final answer
    x = 170,348.70

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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.