Home / 210,549.06-290,552.91-115,056.33

Finding the Fourth Proportional to 210,549.06, 290,552.91 and 115,056.33

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Solution

The fourth proportional to 210,549.06, 290,552.91 and 115,056.33 is: 158,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,549.06 : 290,552.91 = 115,056.33 : x
  2. Step 2: Convert to fraction form
    210,549.06/290,552.91 = 115,056.33/x
  3. Step 3: Cross multiply
    210,549.06x = 290,552.91 × 115,056.33
  4. Step 4: Simplify right side
    210,549.06x = 33,429,951,495.42
  5. Step 5: Solve for x
    x = 33,429,951,495.42/210,549.06
  6. Step 6: Final answer
    x = 158,775.12

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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.