Home / 202,279.37-279,136.07-116,177.79

Finding the Fourth Proportional to 202,279.37, 279,136.07 and 116,177.79

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Solution

The fourth proportional to 202,279.37, 279,136.07 and 116,177.79 is: 160,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,279.37 : 279,136.07 = 116,177.79 : x
  2. Step 2: Convert to fraction form
    202,279.37/279,136.07 = 116,177.79/x
  3. Step 3: Cross multiply
    202,279.37x = 279,136.07 × 116,177.79
  4. Step 4: Simplify right side
    202,279.37x = 32,429,411,721.89
  5. Step 5: Solve for x
    x = 32,429,411,721.89/202,279.37
  6. Step 6: Final answer
    x = 160,319.92

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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.