Home / 210,574.18-290,592.53-115,080.89

Finding the Fourth Proportional to 210,574.18, 290,592.53 and 115,080.89

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Solution

The fourth proportional to 210,574.18, 290,592.53 and 115,080.89 is: 158,811.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,574.18 : 290,592.53 = 115,080.89 : x
  2. Step 2: Convert to fraction form
    210,574.18/290,592.53 = 115,080.89/x
  3. Step 3: Cross multiply
    210,574.18x = 290,592.53 × 115,080.89
  4. Step 4: Simplify right side
    210,574.18x = 33,441,645,382.94
  5. Step 5: Solve for x
    x = 33,441,645,382.94/210,574.18
  6. Step 6: Final answer
    x = 158,811.71

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1.5x scale

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.