Home / 210,581.70-290,602.77-115,088.37

Finding the Fourth Proportional to 210,581.70, 290,602.77 and 115,088.37

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Solution

The fourth proportional to 210,581.70, 290,602.77 and 115,088.37 is: 158,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,581.70 : 290,602.77 = 115,088.37 : x
  2. Step 2: Convert to fraction form
    210,581.70/290,602.77 = 115,088.37/x
  3. Step 3: Cross multiply
    210,581.70x = 290,602.77 × 115,088.37
  4. Step 4: Simplify right side
    210,581.70x = 33,444,999,116.78
  5. Step 5: Solve for x
    x = 33,444,999,116.78/210,581.70
  6. Step 6: Final answer
    x = 158,821.96

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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.