Home / 210,587.13-290,605.93-115,094.51

Finding the Fourth Proportional to 210,587.13, 290,605.93 and 115,094.51

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Solution

The fourth proportional to 210,587.13, 290,605.93 and 115,094.51 is: 158,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,587.13 : 290,605.93 = 115,094.51 : x
  2. Step 2: Convert to fraction form
    210,587.13/290,605.93 = 115,094.51/x
  3. Step 3: Cross multiply
    210,587.13x = 290,605.93 × 115,094.51
  4. Step 4: Simplify right side
    210,587.13x = 33,447,146,540.97
  5. Step 5: Solve for x
    x = 33,447,146,540.97/210,587.13
  6. Step 6: Final answer
    x = 158,828.07

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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.