Home / 210,923.65-316,416.59-61,144.46

Finding the Fourth Proportional to 210,923.65, 316,416.59 and 61,144.46

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Solution

The fourth proportional to 210,923.65, 316,416.59 and 61,144.46 is: 91,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,923.65 : 316,416.59 = 61,144.46 : x
  2. Step 2: Convert to fraction form
    210,923.65/316,416.59 = 61,144.46/x
  3. Step 3: Cross multiply
    210,923.65x = 316,416.59 × 61,144.46
  4. Step 4: Simplify right side
    210,923.65x = 19,347,121,530.59
  5. Step 5: Solve for x
    x = 19,347,121,530.59/210,923.65
  6. Step 6: Final answer
    x = 91,725.71

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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.